rfc8912iana.html   rfc8912.html 
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<meta content="Marcelo Bagnulo" name="author"> <meta content="Marcelo Bagnulo" name="author">
<meta content="Philip Eardley" name="author"> <meta content="Philip Eardley" name="author">
<meta content="Kevin D'Souza" name="author"> <meta content="Kevin D'Souza" name="author">
<meta content=" <meta content="
This memo defines the set of initial entries for the IANA Registry of Per formance This memo defines the set of initial entries for the IANA Registry of Per formance
Metrics. The set includes UDP Round-Trip Latency and Loss, Metrics. The set includes UDP Round-Trip Latency and Loss,
Packet Delay Variation, DNS Response Latency and Loss, UDP Poisson Packet Delay Variation, DNS Response Latency and Loss, UDP Poisson
One-Way Delay and Loss, UDP Periodic One-Way Delay and Loss, ICMP One-Way Delay and Loss, UDP Periodic One-Way Delay and Loss, ICMP
Round-Trip Latency and Loss, and TCP Round-Trip Delay and Loss. Round-Trip Latency and Loss, and TCP Round-Trip Delay and Loss.
" name="description"> " name="description">
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<meta content="Loss" name="keyword"> <meta content="Loss" name="keyword">
<meta content="Delay" name="keyword"> <meta content="Delay" name="keyword">
<meta content="Delay Variation" name="keyword"> <meta content="Delay Variation" name="keyword">
<meta content="ICMP ping" name="keyword"> <meta content="ICMP ping" name="keyword">
<meta content="DNS Response" name="keyword"> <meta content="DNS Response" name="keyword">
<meta content="Poisson" name="keyword"> <meta content="Poisson" name="keyword">
<meta content="Periodic" name="keyword"> <meta content="Periodic" name="keyword">
<meta content="TCP" name="keyword"> <meta content="TCP" name="keyword">
<meta content="8912" name="rfc.number"> <meta content="8912" name="rfc.number">
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<link href="https://datatracker.ietf.org/doc/draft-ietf-ippm-initial-registry-16 " rel="prev"> <link href="https://datatracker.ietf.org/doc/draft-ietf-ippm-initial-registry-16 " rel="prev">
<link href="https://dx.doi.org/10.17487/rfc8912" rel="alternate"> <link href="https://dx.doi.org/10.17487/rfc8912" rel="alternate">
<link href="urn:issn:2070-1721" rel="alternate"> <link href="urn:issn:2070-1721" rel="alternate">
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<table class="ears"> <table class="ears">
<thead><tr> <thead><tr>
<td class="left">RFC 8912</td> <td class="left">RFC 8912</td>
<td class="center">Initial Performance Metrics Registry</td> <td class="center">Initial Performance Metrics Registry</td>
<td class="right">May 2021</td> <td class="right">June 2021</td>
</tr></thead> </tr></thead>
<tfoot><tr> <tfoot><tr>
<td class="left">Morton, et al.</td> <td class="left">Morton, et al.</td>
<td class="center">Standards Track</td> <td class="center">Standards Track</td>
<td class="right">[Page]</td> <td class="right">[Page]</td>
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<dl id="identifiers"> <dl id="identifiers">
<dt class="label-stream">Stream:</dt> <dt class="label-stream">Stream:</dt>
<dd class="stream">Internet Engineering Task Force (IETF)</dd> <dd class="stream">Internet Engineering Task Force (IETF)</dd>
<dt class="label-rfc">RFC:</dt> <dt class="label-rfc">RFC:</dt>
<dd class="rfc"><a href="https://www.rfc-editor.org/rfc/rfc8912" class="eref">89 12</a></dd> <dd class="rfc"><a href="https://www.rfc-editor.org/rfc/rfc8912" class="eref">89 12</a></dd>
<dt class="label-category">Category:</dt> <dt class="label-category">Category:</dt>
<dd class="category">Standards Track</dd> <dd class="category">Standards Track</dd>
<dt class="label-published">Published:</dt> <dt class="label-published">Published:</dt>
<dd class="published"> <dd class="published">
<time datetime="2021-05" class="published">May 2021</time> <time datetime="2021-06" class="published">June 2021</time>
</dd> </dd>
<dt class="label-issn">ISSN:</dt> <dt class="label-issn">ISSN:</dt>
<dd class="issn">2070-1721</dd> <dd class="issn">2070-1721</dd>
<dt class="label-authors">Authors:</dt> <dt class="label-authors">Authors:</dt>
<dd class="authors"> <dd class="authors">
<div class="author"> <div class="author">
<div class="author-name">A. Morton</div> <div class="author-name">A. Morton</div>
<div class="org">AT&amp;T Labs</div> <div class="org">AT&amp;T Labs</div>
</div> </div>
<div class="author"> <div class="author">
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document must include Simplified BSD License text as described in document must include Simplified BSD License text as described in
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<a href="#name-table-of-contents" class="section-name selfRef">Table of Contents </a> <a href="#name-table-of-contents" class="section-name selfRef">Table of Contents </a>
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<p id="section-toc.1-1.1.1" class="keepWithNext"><a href="#section-1 " class="xref">1</a>.  <a href="#name-introduction" class="xref">Introduction</a ></p> <p id="section-toc.1-1.1.1" class="keepWithNext"><a href="#section-1 " class="xref">1</a>.  <a href="#name-introduction" class="xref">Introduction</a ></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.1.2.1">
<p id="section-toc.1-1.1.2.1.1" class="keepWithNext"><a href="#s ection-1.1" class="xref">1.1</a>.  <a href="#name-requirements-language" class=" xref">Requirements Language</a></p> <p id="section-toc.1-1.1.2.1.1" class="keepWithNext"><a href="#s ection-1.1" class="xref">1.1</a>.  <a href="#name-requirements-language" class=" xref">Requirements Language</a></p>
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</ul> </ul>
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<p id="section-toc.1-1.2.1" class="keepWithNext"><a href="#section-2 " class="xref">2</a>.  <a href="#name-scope" class="xref">Scope</a></p> <p id="section-toc.1-1.2.1" class="keepWithNext"><a href="#section-2 " class="xref">2</a>.  <a href="#name-scope" class="xref">Scope</a></p>
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<p id="section-toc.1-1.3.1"><a href="#section-3" class="xref">3</a>.   <a href="#name-registry-categories-and-col" class="xref">Registry Categories a nd Columns</a></p> <p id="section-toc.1-1.3.1"><a href="#section-3" class="xref">3</a>.   <a href="#name-registry-categories-and-col" class="xref">Registry Categories a nd Columns</a></p>
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<p id="section-toc.1-1.4.1"><a href="#section-4" class="xref">4</a>.   <a href="#name-udp-round-trip-latency-and-" class="xref">UDP Round-Trip Latenc y and Loss Registry Entries</a></p> <p id="section-toc.1-1.4.1"><a href="#section-4" class="xref">4</a>.   <a href="#name-udp-round-trip-latency-and-" class="xref">UDP Round-Trip Latenc y and Loss Registry Entries</a></p>
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<p id="section-toc.1-1.4.2.1.1"><a href="#section-4.1" class="xr ef">4.1</a>.  <a href="#name-summary" class="xref">Summary</a></p> <p id="section-toc.1-1.4.2.1.1"><a href="#section-4.1" class="xr ef">4.1</a>.  <a href="#name-summary" class="xref">Summary</a></p>
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<p id="section-toc.1-1.4.2.1.2.1.1"><a href="#section-4.1.1" class="xref">4.1.1</a>.  <a href="#name-id-identifier" class="xref">ID (Identif ier)</a></p> <p id="section-toc.1-1.4.2.1.2.1.1"><a href="#section-4.1.1" class="xref">4.1.1</a>.  <a href="#name-id-identifier" class="xref">ID (Identif ier)</a></p>
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<p id="section-toc.1-1.4.2.1.2.2.1"><a href="#section-4.1.2" class="xref">4.1.2</a>.  <a href="#name-name" class="xref">Name</a></p> <p id="section-toc.1-1.4.2.1.2.2.1"><a href="#section-4.1.2" class="xref">4.1.2</a>.  <a href="#name-name" class="xref">Name</a></p>
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<p id="section-toc.1-1.4.2.1.2.4.1"><a href="#section-4.1.4" class="xref">4.1.4</a>.  <a href="#name-description" class="xref">Description</ a></p> <p id="section-toc.1-1.4.2.1.2.4.1"><a href="#section-4.1.4" class="xref">4.1.4</a>.  <a href="#name-description" class="xref">Description</ a></p>
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<p id="section-toc.1-1.4.2.1.2.5.1"><a href="#section-4.1.5" class="xref">4.1.5</a>.  <a href="#name-change-controller" class="xref">Change Controller</a></p> <p id="section-toc.1-1.4.2.1.2.5.1"><a href="#section-4.1.5" class="xref">4.1.5</a>.  <a href="#name-change-controller" class="xref">Change Controller</a></p>
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<p id="section-toc.1-1.4.2.1.2.6.1"><a href="#section-4.1.6" class="xref">4.1.6</a>.  <a href="#name-version-of-registry-format" class="xref ">Version (of Registry Format)</a></p> <p id="section-toc.1-1.4.2.1.2.6.1"><a href="#section-4.1.6" class="xref">4.1.6</a>.  <a href="#name-version-of-registry-format" class="xref ">Version (of Registry Format)</a></p>
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<p id="section-toc.1-1.4.2.2.1"><a href="#section-4.2" class="xr ef">4.2</a>.  <a href="#name-metric-definition" class="xref">Metric Definition</ a></p> <p id="section-toc.1-1.4.2.2.1"><a href="#section-4.2" class="xr ef">4.2</a>.  <a href="#name-metric-definition" class="xref">Metric Definition</ a></p>
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<p id="section-toc.1-1.4.2.2.2.1.1"><a href="#section-4.2.1" class="xref">4.2.1</a>.  <a href="#name-reference-definition" class="xref">Refe rence Definition</a></p> <p id="section-toc.1-1.4.2.2.2.1.1"><a href="#section-4.2.1" class="xref">4.2.1</a>.  <a href="#name-reference-definition" class="xref">Refe rence Definition</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.2.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2 .2.2.2">
<p id="section-toc.1-1.4.2.2.2.2.1"><a href="#section-4.2.2" class="xref">4.2.2</a>.  <a href="#name-fixed-parameters" class="xref">Fixed Pa rameters</a></p> <p id="section-toc.1-1.4.2.2.2.2.1"><a href="#section-4.2.2" class="xref">4.2.2</a>.  <a href="#name-fixed-parameters" class="xref">Fixed Pa rameters</a></p>
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<p id="section-toc.1-1.4.2.3.1"><a href="#section-4.3" class="xr ef">4.3</a>.  <a href="#name-method-of-measurement" class="xref">Method of Measu rement</a></p> <p id="section-toc.1-1.4.2.3.1"><a href="#section-4.3" class="xr ef">4.3</a>.  <a href="#name-method-of-measurement" class="xref">Method of Measu rement</a></p>
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<p id="section-toc.1-1.4.2.3.2.1.1"><a href="#section-4.3.1" class="xref">4.3.1</a>.  <a href="#name-reference-methods" class="xref">Referen ce Methods</a></p> <p id="section-toc.1-1.4.2.3.2.1.1"><a href="#section-4.3.1" class="xref">4.3.1</a>.  <a href="#name-reference-methods" class="xref">Referen ce Methods</a></p>
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<p id="section-toc.1-1.4.2.3.2.2.1"><a href="#section-4.3.2" class="xref">4.3.2</a>.  <a href="#name-packet-stream-generation" class="xref"> Packet Stream Generation</a></p> <p id="section-toc.1-1.4.2.3.2.2.1"><a href="#section-4.3.2" class="xref">4.3.2</a>.  <a href="#name-packet-stream-generation" class="xref"> Packet Stream Generation</a></p>
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<p id="section-toc.1-1.4.2.3.2.3.1"><a href="#section-4.3.3" class="xref">4.3.3</a>.  <a href="#name-traffic-filtering-observati" class="xre f">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.4.2.3.2.3.1"><a href="#section-4.3.3" class="xref">4.3.3</a>.  <a href="#name-traffic-filtering-observati" class="xre f">Traffic Filtering (Observation) Details</a></p>
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<p id="section-toc.1-1.4.2.3.2.4.1"><a href="#section-4.3.4" class="xref">4.3.4</a>.  <a href="#name-sampling-distribution" class="xref">Sam pling Distribution</a></p> <p id="section-toc.1-1.4.2.3.2.4.1"><a href="#section-4.3.4" class="xref">4.3.4</a>.  <a href="#name-sampling-distribution" class="xref">Sam pling Distribution</a></p>
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<p id="section-toc.1-1.4.2.3.2.5.1"><a href="#section-4.3.5" class="xref">4.3.5</a>.  <a href="#name-runtime-parameters-and-data" class="xre f">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.4.2.3.2.5.1"><a href="#section-4.3.5" class="xref">4.3.5</a>.  <a href="#name-runtime-parameters-and-data" class="xre f">Runtime Parameters and Data Format</a></p>
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<p id="section-toc.1-1.4.2.3.2.6.1"><a href="#section-4.3.6" class="xref">4.3.6</a>.  <a href="#name-roles" class="xref">Roles</a></p> <p id="section-toc.1-1.4.2.3.2.6.1"><a href="#section-4.3.6" class="xref">4.3.6</a>.  <a href="#name-roles" class="xref">Roles</a></p>
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<p id="section-toc.1-1.4.2.4.1"><a href="#section-4.4" class="xr ef">4.4</a>.  <a href="#name-output" class="xref">Output</a></p> <p id="section-toc.1-1.4.2.4.1"><a href="#section-4.4" class="xr ef">4.4</a>.  <a href="#name-output" class="xref">Output</a></p>
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<p id="section-toc.1-1.4.2.4.2.1.1"><a href="#section-4.4.1" class="xref">4.4.1</a>.  <a href="#name-type" class="xref">Type</a></p> <p id="section-toc.1-1.4.2.4.2.1.1"><a href="#section-4.4.1" class="xref">4.4.1</a>.  <a href="#name-type" class="xref">Type</a></p>
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<p id="section-toc.1-1.4.2.4.2.2.1"><a href="#section-4.4.2" class="xref">4.4.2</a>.  <a href="#name-reference-definition-2" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.4.2.4.2.2.1"><a href="#section-4.4.2" class="xref">4.4.2</a>.  <a href="#name-reference-definition-2" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.4.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2 .4.2.3">
<p id="section-toc.1-1.4.2.4.2.3.1"><a href="#section-4.4.3" class="xref">4.4.3</a>.  <a href="#name-metric-units" class="xref">Metric Units </a></p> <p id="section-toc.1-1.4.2.4.2.3.1"><a href="#section-4.4.3" class="xref">4.4.3</a>.  <a href="#name-metric-units" class="xref">Metric Units </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.4.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2 .4.2.4">
<p id="section-toc.1-1.4.2.4.2.4.1"><a href="#section-4.4.4" class="xref">4.4.4</a>.  <a href="#name-calibration" class="xref">Calibration</ a></p> <p id="section-toc.1-1.4.2.4.2.4.1"><a href="#section-4.4.4" class="xref">4.4.4</a>.  <a href="#name-calibration" class="xref">Calibration</ a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2.5">
<p id="section-toc.1-1.4.2.5.1"><a href="#section-4.5" class="xr ef">4.5</a>.  <a href="#name-administrative-items" class="xref">Administrative I tems</a></p> <p id="section-toc.1-1.4.2.5.1"><a href="#section-4.5" class="xr ef">4.5</a>.  <a href="#name-administrative-items" class="xref">Administrative I tems</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2.5.2.1">
<p id="section-toc.1-1.4.2.5.2.1.1"><a href="#section-4.5.1" class="xref">4.5.1</a>.  <a href="#name-status" class="xref">Status</a></p> <p id="section-toc.1-1.4.2.5.2.1.1"><a href="#section-4.5.1" class="xref">4.5.1</a>.  <a href="#name-status" class="xref">Status</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.5.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2 .5.2.2">
<p id="section-toc.1-1.4.2.5.2.2.1"><a href="#section-4.5.2" class="xref">4.5.2</a>.  <a href="#name-requester" class="xref">Requester</a></ p> <p id="section-toc.1-1.4.2.5.2.2.1"><a href="#section-4.5.2" class="xref">4.5.2</a>.  <a href="#name-requester" class="xref">Requester</a></ p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.5.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2 .5.2.3">
<p id="section-toc.1-1.4.2.5.2.3.1"><a href="#section-4.5.3" class="xref">4.5.3</a>.  <a href="#name-revision" class="xref">Revision</a></p> <p id="section-toc.1-1.4.2.5.2.3.1"><a href="#section-4.5.3" class="xref">4.5.3</a>.  <a href="#name-revision" class="xref">Revision</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.5.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2 .5.2.4">
<p id="section-toc.1-1.4.2.5.2.4.1"><a href="#section-4.5.4" class="xref">4.5.4</a>.  <a href="#name-revision-date" class="xref">Revision Da te</a></p> <p id="section-toc.1-1.4.2.5.2.4.1"><a href="#section-4.5.4" class="xref">4.5.4</a>.  <a href="#name-revision-date" class="xref">Revision Da te</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.4.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.4.2.6">
<p id="section-toc.1-1.4.2.6.1"><a href="#section-4.6" class="xr ef">4.6</a>.  <a href="#name-comments-and-remarks" class="xref">Comments and Rem arks</a></p> <p id="section-toc.1-1.4.2.6.1"><a href="#section-4.6" class="xr ef">4.6</a>.  <a href="#name-comments-and-remarks" class="xref">Comments and Rem arks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.5">
<p id="section-toc.1-1.5.1"><a href="#section-5" class="xref">5</a>.   <a href="#name-packet-delay-variation-regi" class="xref">Packet Delay Variatio n Registry Entry</a></p> <p id="section-toc.1-1.5.1"><a href="#section-5" class="xref">5</a>.   <a href="#name-packet-delay-variation-regi" class="xref">Packet Delay Variatio n Registry Entry</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.1">
<p id="section-toc.1-1.5.2.1.1"><a href="#section-5.1" class="xr ef">5.1</a>.  <a href="#name-summary-2" class="xref">Summary</a></p> <p id="section-toc.1-1.5.2.1.1"><a href="#section-5.1" class="xr ef">5.1</a>.  <a href="#name-summary-2" class="xref">Summary</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.1.2.1">
<p id="section-toc.1-1.5.2.1.2.1.1"><a href="#section-5.1.1" class="xref">5.1.1</a>.  <a href="#name-id-identifier-2" class="xref">ID (Ident ifier)</a></p> <p id="section-toc.1-1.5.2.1.2.1.1"><a href="#section-5.1.1" class="xref">5.1.1</a>.  <a href="#name-id-identifier-2" class="xref">ID (Ident ifier)</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .1.2.2">
<p id="section-toc.1-1.5.2.1.2.2.1"><a href="#section-5.1.2" class="xref">5.1.2</a>.  <a href="#name-name-2" class="xref">Name</a></p> <p id="section-toc.1-1.5.2.1.2.2.1"><a href="#section-5.1.2" class="xref">5.1.2</a>.  <a href="#name-name-2" class="xref">Name</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .1.2.3">
<p id="section-toc.1-1.5.2.1.2.3.1"><a href="#section-5.1.3" class="xref">5.1.3</a>.  <a href="#name-uri-2" class="xref">URI</a></p> <p id="section-toc.1-1.5.2.1.2.3.1"><a href="#section-5.1.3" class="xref">5.1.3</a>.  <a href="#name-uri-2" class="xref">URI</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .1.2.4">
<p id="section-toc.1-1.5.2.1.2.4.1"><a href="#section-5.1.4" class="xref">5.1.4</a>.  <a href="#name-description-2" class="xref">Description </a></p> <p id="section-toc.1-1.5.2.1.2.4.1"><a href="#section-5.1.4" class="xref">5.1.4</a>.  <a href="#name-description-2" class="xref">Description </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .1.2.5">
<p id="section-toc.1-1.5.2.1.2.5.1"><a href="#section-5.1.5" class="xref">5.1.5</a>.  <a href="#name-change-controller-2" class="xref">Chang e Controller</a></p> <p id="section-toc.1-1.5.2.1.2.5.1"><a href="#section-5.1.5" class="xref">5.1.5</a>.  <a href="#name-change-controller-2" class="xref">Chang e Controller</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.1.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .1.2.6">
<p id="section-toc.1-1.5.2.1.2.6.1"><a href="#section-5.1.6" class="xref">5.1.6</a>.  <a href="#name-version-of-registry-format-2" class="xr ef">Version (of Registry Format)</a></p> <p id="section-toc.1-1.5.2.1.2.6.1"><a href="#section-5.1.6" class="xref">5.1.6</a>.  <a href="#name-version-of-registry-format-2" class="xr ef">Version (of Registry Format)</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.2">
<p id="section-toc.1-1.5.2.2.1"><a href="#section-5.2" class="xr ef">5.2</a>.  <a href="#name-metric-definition-2" class="xref">Metric Definition </a></p> <p id="section-toc.1-1.5.2.2.1"><a href="#section-5.2" class="xr ef">5.2</a>.  <a href="#name-metric-definition-2" class="xref">Metric Definition </a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.2.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.2.2.1">
<p id="section-toc.1-1.5.2.2.2.1.1"><a href="#section-5.2.1" class="xref">5.2.1</a>.  <a href="#name-reference-definition-3" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.5.2.2.2.1.1"><a href="#section-5.2.1" class="xref">5.2.1</a>.  <a href="#name-reference-definition-3" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.2.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .2.2.2">
<p id="section-toc.1-1.5.2.2.2.2.1"><a href="#section-5.2.2" class="xref">5.2.2</a>.  <a href="#name-fixed-parameters-2" class="xref">Fixed Parameters</a></p> <p id="section-toc.1-1.5.2.2.2.2.1"><a href="#section-5.2.2" class="xref">5.2.2</a>.  <a href="#name-fixed-parameters-2" class="xref">Fixed Parameters</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.3">
<p id="section-toc.1-1.5.2.3.1"><a href="#section-5.3" class="xr ef">5.3</a>.  <a href="#name-method-of-measurement-2" class="xref">Method of Mea surement</a></p> <p id="section-toc.1-1.5.2.3.1"><a href="#section-5.3" class="xr ef">5.3</a>.  <a href="#name-method-of-measurement-2" class="xref">Method of Mea surement</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.3.2.1">
<p id="section-toc.1-1.5.2.3.2.1.1"><a href="#section-5.3.1" class="xref">5.3.1</a>.  <a href="#name-reference-methods-2" class="xref">Refer ence Methods</a></p> <p id="section-toc.1-1.5.2.3.2.1.1"><a href="#section-5.3.1" class="xref">5.3.1</a>.  <a href="#name-reference-methods-2" class="xref">Refer ence Methods</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .3.2.2">
<p id="section-toc.1-1.5.2.3.2.2.1"><a href="#section-5.3.2" class="xref">5.3.2</a>.  <a href="#name-packet-stream-generation-2" class="xref ">Packet Stream Generation</a></p> <p id="section-toc.1-1.5.2.3.2.2.1"><a href="#section-5.3.2" class="xref">5.3.2</a>.  <a href="#name-packet-stream-generation-2" class="xref ">Packet Stream Generation</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .3.2.3">
<p id="section-toc.1-1.5.2.3.2.3.1"><a href="#section-5.3.3" class="xref">5.3.3</a>.  <a href="#name-traffic-filtering-observatio" class="xr ef">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.5.2.3.2.3.1"><a href="#section-5.3.3" class="xref">5.3.3</a>.  <a href="#name-traffic-filtering-observatio" class="xr ef">Traffic Filtering (Observation) Details</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .3.2.4">
<p id="section-toc.1-1.5.2.3.2.4.1"><a href="#section-5.3.4" class="xref">5.3.4</a>.  <a href="#name-sampling-distribution-2" class="xref">S ampling Distribution</a></p> <p id="section-toc.1-1.5.2.3.2.4.1"><a href="#section-5.3.4" class="xref">5.3.4</a>.  <a href="#name-sampling-distribution-2" class="xref">S ampling Distribution</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .3.2.5">
<p id="section-toc.1-1.5.2.3.2.5.1"><a href="#section-5.3.5" class="xref">5.3.5</a>.  <a href="#name-runtime-parameters-and-data-" class="xr ef">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.5.2.3.2.5.1"><a href="#section-5.3.5" class="xref">5.3.5</a>.  <a href="#name-runtime-parameters-and-data-" class="xr ef">Runtime Parameters and Data Format</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.3.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .3.2.6">
<p id="section-toc.1-1.5.2.3.2.6.1"><a href="#section-5.3.6" class="xref">5.3.6</a>.  <a href="#name-roles-2" class="xref">Roles</a></p> <p id="section-toc.1-1.5.2.3.2.6.1"><a href="#section-5.3.6" class="xref">5.3.6</a>.  <a href="#name-roles-2" class="xref">Roles</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.4"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.4">
<p id="section-toc.1-1.5.2.4.1"><a href="#section-5.4" class="xr ef">5.4</a>.  <a href="#name-output-2" class="xref">Output</a></p> <p id="section-toc.1-1.5.2.4.1"><a href="#section-5.4" class="xr ef">5.4</a>.  <a href="#name-output-2" class="xref">Output</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.4.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.4.2.1">
<p id="section-toc.1-1.5.2.4.2.1.1"><a href="#section-5.4.1" class="xref">5.4.1</a>.  <a href="#name-type-2" class="xref">Type</a></p> <p id="section-toc.1-1.5.2.4.2.1.1"><a href="#section-5.4.1" class="xref">5.4.1</a>.  <a href="#name-type-2" class="xref">Type</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.4.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .4.2.2">
<p id="section-toc.1-1.5.2.4.2.2.1"><a href="#section-5.4.2" class="xref">5.4.2</a>.  <a href="#name-reference-definition-4" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.5.2.4.2.2.1"><a href="#section-5.4.2" class="xref">5.4.2</a>.  <a href="#name-reference-definition-4" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.4.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .4.2.3">
<p id="section-toc.1-1.5.2.4.2.3.1"><a href="#section-5.4.3" class="xref">5.4.3</a>.  <a href="#name-metric-units-2" class="xref">Metric Uni ts</a></p> <p id="section-toc.1-1.5.2.4.2.3.1"><a href="#section-5.4.3" class="xref">5.4.3</a>.  <a href="#name-metric-units-2" class="xref">Metric Uni ts</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.4.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .4.2.4">
<p id="section-toc.1-1.5.2.4.2.4.1"><a href="#section-5.4.4" class="xref">5.4.4</a>.  <a href="#name-calibration-2" class="xref">Calibration </a></p> <p id="section-toc.1-1.5.2.4.2.4.1"><a href="#section-5.4.4" class="xref">5.4.4</a>.  <a href="#name-calibration-2" class="xref">Calibration </a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.5">
<p id="section-toc.1-1.5.2.5.1"><a href="#section-5.5" class="xr ef">5.5</a>.  <a href="#name-administrative-items-2" class="xref">Administrative Items</a></p> <p id="section-toc.1-1.5.2.5.1"><a href="#section-5.5" class="xr ef">5.5</a>.  <a href="#name-administrative-items-2" class="xref">Administrative Items</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.5.2.1">
<p id="section-toc.1-1.5.2.5.2.1.1"><a href="#section-5.5.1" class="xref">5.5.1</a>.  <a href="#name-status-2" class="xref">Status</a></p> <p id="section-toc.1-1.5.2.5.2.1.1"><a href="#section-5.5.1" class="xref">5.5.1</a>.  <a href="#name-status-2" class="xref">Status</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.5.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .5.2.2">
<p id="section-toc.1-1.5.2.5.2.2.1"><a href="#section-5.5.2" class="xref">5.5.2</a>.  <a href="#name-requester-2" class="xref">Requester</a> </p> <p id="section-toc.1-1.5.2.5.2.2.1"><a href="#section-5.5.2" class="xref">5.5.2</a>.  <a href="#name-requester-2" class="xref">Requester</a> </p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.5.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .5.2.3">
<p id="section-toc.1-1.5.2.5.2.3.1"><a href="#section-5.5.3" class="xref">5.5.3</a>.  <a href="#name-revision-2" class="xref">Revision</a></ p> <p id="section-toc.1-1.5.2.5.2.3.1"><a href="#section-5.5.3" class="xref">5.5.3</a>.  <a href="#name-revision-2" class="xref">Revision</a></ p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.5.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2 .5.2.4">
<p id="section-toc.1-1.5.2.5.2.4.1"><a href="#section-5.5.4" class="xref">5.5.4</a>.  <a href="#name-revision-date-2" class="xref">Revision Date</a></p> <p id="section-toc.1-1.5.2.5.2.4.1"><a href="#section-5.5.4" class="xref">5.5.4</a>.  <a href="#name-revision-date-2" class="xref">Revision Date</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.5.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.5.2.6">
<p id="section-toc.1-1.5.2.6.1"><a href="#section-5.6" class="xr ef">5.6</a>.  <a href="#name-comments-and-remarks-2" class="xref">Comments and R emarks</a></p> <p id="section-toc.1-1.5.2.6.1"><a href="#section-5.6" class="xr ef">5.6</a>.  <a href="#name-comments-and-remarks-2" class="xref">Comments and R emarks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.6">
<p id="section-toc.1-1.6.1"><a href="#section-6" class="xref">6</a>.   <a href="#name-dns-response-latency-and-lo" class="xref">DNS Response Latency and Loss Registry Entries</a></p> <p id="section-toc.1-1.6.1"><a href="#section-6" class="xref">6</a>.   <a href="#name-dns-response-latency-and-lo" class="xref">DNS Response Latency and Loss Registry Entries</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.1">
<p id="section-toc.1-1.6.2.1.1"><a href="#section-6.1" class="xr ef">6.1</a>.  <a href="#name-summary-3" class="xref">Summary</a></p> <p id="section-toc.1-1.6.2.1.1"><a href="#section-6.1" class="xr ef">6.1</a>.  <a href="#name-summary-3" class="xref">Summary</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.1.2.1">
<p id="section-toc.1-1.6.2.1.2.1.1"><a href="#section-6.1.1" class="xref">6.1.1</a>.  <a href="#name-id-identifier-3" class="xref">ID (Ident ifier)</a></p> <p id="section-toc.1-1.6.2.1.2.1.1"><a href="#section-6.1.1" class="xref">6.1.1</a>.  <a href="#name-id-identifier-3" class="xref">ID (Ident ifier)</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .1.2.2">
<p id="section-toc.1-1.6.2.1.2.2.1"><a href="#section-6.1.2" class="xref">6.1.2</a>.  <a href="#name-name-3" class="xref">Name</a></p> <p id="section-toc.1-1.6.2.1.2.2.1"><a href="#section-6.1.2" class="xref">6.1.2</a>.  <a href="#name-name-3" class="xref">Name</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .1.2.3">
<p id="section-toc.1-1.6.2.1.2.3.1"><a href="#section-6.1.3" class="xref">6.1.3</a>.  <a href="#name-uri-3" class="xref">URI</a></p> <p id="section-toc.1-1.6.2.1.2.3.1"><a href="#section-6.1.3" class="xref">6.1.3</a>.  <a href="#name-uri-3" class="xref">URI</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .1.2.4">
<p id="section-toc.1-1.6.2.1.2.4.1"><a href="#section-6.1.4" class="xref">6.1.4</a>.  <a href="#name-description-3" class="xref">Description </a></p> <p id="section-toc.1-1.6.2.1.2.4.1"><a href="#section-6.1.4" class="xref">6.1.4</a>.  <a href="#name-description-3" class="xref">Description </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .1.2.5">
<p id="section-toc.1-1.6.2.1.2.5.1"><a href="#section-6.1.5" class="xref">6.1.5</a>.  <a href="#name-change-controller-3" class="xref">Chang e Controller</a></p> <p id="section-toc.1-1.6.2.1.2.5.1"><a href="#section-6.1.5" class="xref">6.1.5</a>.  <a href="#name-change-controller-3" class="xref">Chang e Controller</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.1.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .1.2.6">
<p id="section-toc.1-1.6.2.1.2.6.1"><a href="#section-6.1.6" class="xref">6.1.6</a>.  <a href="#name-version-of-registry-format-3" class="xr ef">Version (of Registry Format)</a></p> <p id="section-toc.1-1.6.2.1.2.6.1"><a href="#section-6.1.6" class="xref">6.1.6</a>.  <a href="#name-version-of-registry-format-3" class="xr ef">Version (of Registry Format)</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.2">
<p id="section-toc.1-1.6.2.2.1"><a href="#section-6.2" class="xr ef">6.2</a>.  <a href="#name-metric-definition-3" class="xref">Metric Definition </a></p> <p id="section-toc.1-1.6.2.2.1"><a href="#section-6.2" class="xr ef">6.2</a>.  <a href="#name-metric-definition-3" class="xref">Metric Definition </a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.2.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.2.2.1">
<p id="section-toc.1-1.6.2.2.2.1.1"><a href="#section-6.2.1" class="xref">6.2.1</a>.  <a href="#name-reference-definition-5" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.6.2.2.2.1.1"><a href="#section-6.2.1" class="xref">6.2.1</a>.  <a href="#name-reference-definition-5" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.2.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .2.2.2">
<p id="section-toc.1-1.6.2.2.2.2.1"><a href="#section-6.2.2" class="xref">6.2.2</a>.  <a href="#name-fixed-parameters-3" class="xref">Fixed Parameters</a></p> <p id="section-toc.1-1.6.2.2.2.2.1"><a href="#section-6.2.2" class="xref">6.2.2</a>.  <a href="#name-fixed-parameters-3" class="xref">Fixed Parameters</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.3">
<p id="section-toc.1-1.6.2.3.1"><a href="#section-6.3" class="xr ef">6.3</a>.  <a href="#name-method-of-measurement-3" class="xref">Method of Mea surement</a></p> <p id="section-toc.1-1.6.2.3.1"><a href="#section-6.3" class="xr ef">6.3</a>.  <a href="#name-method-of-measurement-3" class="xref">Method of Mea surement</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.3.2.1">
<p id="section-toc.1-1.6.2.3.2.1.1"><a href="#section-6.3.1" class="xref">6.3.1</a>.  <a href="#name-reference-methods-3" class="xref">Refer ence Methods</a></p> <p id="section-toc.1-1.6.2.3.2.1.1"><a href="#section-6.3.1" class="xref">6.3.1</a>.  <a href="#name-reference-methods-3" class="xref">Refer ence Methods</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .3.2.2">
<p id="section-toc.1-1.6.2.3.2.2.1"><a href="#section-6.3.2" class="xref">6.3.2</a>.  <a href="#name-packet-stream-generation-3" class="xref ">Packet Stream Generation</a></p> <p id="section-toc.1-1.6.2.3.2.2.1"><a href="#section-6.3.2" class="xref">6.3.2</a>.  <a href="#name-packet-stream-generation-3" class="xref ">Packet Stream Generation</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .3.2.3">
<p id="section-toc.1-1.6.2.3.2.3.1"><a href="#section-6.3.3" class="xref">6.3.3</a>.  <a href="#name-traffic-filtering-observation" class="x ref">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.6.2.3.2.3.1"><a href="#section-6.3.3" class="xref">6.3.3</a>.  <a href="#name-traffic-filtering-observation" class="x ref">Traffic Filtering (Observation) Details</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .3.2.4">
<p id="section-toc.1-1.6.2.3.2.4.1"><a href="#section-6.3.4" class="xref">6.3.4</a>.  <a href="#name-sampling-distribution-3" class="xref">S ampling Distribution</a></p> <p id="section-toc.1-1.6.2.3.2.4.1"><a href="#section-6.3.4" class="xref">6.3.4</a>.  <a href="#name-sampling-distribution-3" class="xref">S ampling Distribution</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .3.2.5">
<p id="section-toc.1-1.6.2.3.2.5.1"><a href="#section-6.3.5" class="xref">6.3.5</a>.  <a href="#name-runtime-parameters-and-data-f" class="x ref">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.6.2.3.2.5.1"><a href="#section-6.3.5" class="xref">6.3.5</a>.  <a href="#name-runtime-parameters-and-data-f" class="x ref">Runtime Parameters and Data Format</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.3.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .3.2.6">
<p id="section-toc.1-1.6.2.3.2.6.1"><a href="#section-6.3.6" class="xref">6.3.6</a>.  <a href="#name-roles-3" class="xref">Roles</a></p> <p id="section-toc.1-1.6.2.3.2.6.1"><a href="#section-6.3.6" class="xref">6.3.6</a>.  <a href="#name-roles-3" class="xref">Roles</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.4"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.4">
<p id="section-toc.1-1.6.2.4.1"><a href="#section-6.4" class="xr ef">6.4</a>.  <a href="#name-output-3" class="xref">Output</a></p> <p id="section-toc.1-1.6.2.4.1"><a href="#section-6.4" class="xr ef">6.4</a>.  <a href="#name-output-3" class="xref">Output</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.4.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.4.2.1">
<p id="section-toc.1-1.6.2.4.2.1.1"><a href="#section-6.4.1" class="xref">6.4.1</a>.  <a href="#name-type-3" class="xref">Type</a></p> <p id="section-toc.1-1.6.2.4.2.1.1"><a href="#section-6.4.1" class="xref">6.4.1</a>.  <a href="#name-type-3" class="xref">Type</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.4.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .4.2.2">
<p id="section-toc.1-1.6.2.4.2.2.1"><a href="#section-6.4.2" class="xref">6.4.2</a>.  <a href="#name-reference-definition-6" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.6.2.4.2.2.1"><a href="#section-6.4.2" class="xref">6.4.2</a>.  <a href="#name-reference-definition-6" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.4.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .4.2.3">
<p id="section-toc.1-1.6.2.4.2.3.1"><a href="#section-6.4.3" class="xref">6.4.3</a>.  <a href="#name-metric-units-3" class="xref">Metric Uni ts</a></p> <p id="section-toc.1-1.6.2.4.2.3.1"><a href="#section-6.4.3" class="xref">6.4.3</a>.  <a href="#name-metric-units-3" class="xref">Metric Uni ts</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.4.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .4.2.4">
<p id="section-toc.1-1.6.2.4.2.4.1"><a href="#section-6.4.4" class="xref">6.4.4</a>.  <a href="#name-calibration-3" class="xref">Calibration </a></p> <p id="section-toc.1-1.6.2.4.2.4.1"><a href="#section-6.4.4" class="xref">6.4.4</a>.  <a href="#name-calibration-3" class="xref">Calibration </a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.5">
<p id="section-toc.1-1.6.2.5.1"><a href="#section-6.5" class="xr ef">6.5</a>.  <a href="#name-administrative-items-3" class="xref">Administrative Items</a></p> <p id="section-toc.1-1.6.2.5.1"><a href="#section-6.5" class="xr ef">6.5</a>.  <a href="#name-administrative-items-3" class="xref">Administrative Items</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.5.2.1">
<p id="section-toc.1-1.6.2.5.2.1.1"><a href="#section-6.5.1" class="xref">6.5.1</a>.  <a href="#name-status-3" class="xref">Status</a></p> <p id="section-toc.1-1.6.2.5.2.1.1"><a href="#section-6.5.1" class="xref">6.5.1</a>.  <a href="#name-status-3" class="xref">Status</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.5.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .5.2.2">
<p id="section-toc.1-1.6.2.5.2.2.1"><a href="#section-6.5.2" class="xref">6.5.2</a>.  <a href="#name-requester-3" class="xref">Requester</a> </p> <p id="section-toc.1-1.6.2.5.2.2.1"><a href="#section-6.5.2" class="xref">6.5.2</a>.  <a href="#name-requester-3" class="xref">Requester</a> </p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.5.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .5.2.3">
<p id="section-toc.1-1.6.2.5.2.3.1"><a href="#section-6.5.3" class="xref">6.5.3</a>.  <a href="#name-revision-3" class="xref">Revision</a></ p> <p id="section-toc.1-1.6.2.5.2.3.1"><a href="#section-6.5.3" class="xref">6.5.3</a>.  <a href="#name-revision-3" class="xref">Revision</a></ p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.5.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2 .5.2.4">
<p id="section-toc.1-1.6.2.5.2.4.1"><a href="#section-6.5.4" class="xref">6.5.4</a>.  <a href="#name-revision-date-3" class="xref">Revision Date</a></p> <p id="section-toc.1-1.6.2.5.2.4.1"><a href="#section-6.5.4" class="xref">6.5.4</a>.  <a href="#name-revision-date-3" class="xref">Revision Date</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.6.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.6.2.6">
<p id="section-toc.1-1.6.2.6.1"><a href="#section-6.6" class="xr ef">6.6</a>.  <a href="#name-comments-and-remarks-3" class="xref">Comments and R emarks</a></p> <p id="section-toc.1-1.6.2.6.1"><a href="#section-6.6" class="xr ef">6.6</a>.  <a href="#name-comments-and-remarks-3" class="xref">Comments and R emarks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.7">
<p id="section-toc.1-1.7.1"><a href="#section-7" class="xref">7</a>.   <a href="#name-udp-poisson-one-way-delay-a" class="xref">UDP Poisson One-Way D elay and Loss Registry Entries</a></p> <p id="section-toc.1-1.7.1"><a href="#section-7" class="xref">7</a>.   <a href="#name-udp-poisson-one-way-delay-a" class="xref">UDP Poisson One-Way D elay and Loss Registry Entries</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.1">
<p id="section-toc.1-1.7.2.1.1"><a href="#section-7.1" class="xr ef">7.1</a>.  <a href="#name-summary-4" class="xref">Summary</a></p> <p id="section-toc.1-1.7.2.1.1"><a href="#section-7.1" class="xr ef">7.1</a>.  <a href="#name-summary-4" class="xref">Summary</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.1.2.1">
<p id="section-toc.1-1.7.2.1.2.1.1"><a href="#section-7.1.1" class="xref">7.1.1</a>.  <a href="#name-id-identifier-4" class="xref">ID (Ident ifier)</a></p> <p id="section-toc.1-1.7.2.1.2.1.1"><a href="#section-7.1.1" class="xref">7.1.1</a>.  <a href="#name-id-identifier-4" class="xref">ID (Ident ifier)</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .1.2.2">
<p id="section-toc.1-1.7.2.1.2.2.1"><a href="#section-7.1.2" class="xref">7.1.2</a>.  <a href="#name-name-4" class="xref">Name</a></p> <p id="section-toc.1-1.7.2.1.2.2.1"><a href="#section-7.1.2" class="xref">7.1.2</a>.  <a href="#name-name-4" class="xref">Name</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .1.2.3">
<p id="section-toc.1-1.7.2.1.2.3.1"><a href="#section-7.1.3" class="xref">7.1.3</a>.  <a href="#name-uri-4" class="xref">URI</a></p> <p id="section-toc.1-1.7.2.1.2.3.1"><a href="#section-7.1.3" class="xref">7.1.3</a>.  <a href="#name-uri-4" class="xref">URI</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .1.2.4">
<p id="section-toc.1-1.7.2.1.2.4.1"><a href="#section-7.1.4" class="xref">7.1.4</a>.  <a href="#name-description-4" class="xref">Description </a></p> <p id="section-toc.1-1.7.2.1.2.4.1"><a href="#section-7.1.4" class="xref">7.1.4</a>.  <a href="#name-description-4" class="xref">Description </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .1.2.5">
<p id="section-toc.1-1.7.2.1.2.5.1"><a href="#section-7.1.5" class="xref">7.1.5</a>.  <a href="#name-change-controller-4" class="xref">Chang e Controller</a></p> <p id="section-toc.1-1.7.2.1.2.5.1"><a href="#section-7.1.5" class="xref">7.1.5</a>.  <a href="#name-change-controller-4" class="xref">Chang e Controller</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.1.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .1.2.6">
<p id="section-toc.1-1.7.2.1.2.6.1"><a href="#section-7.1.6" class="xref">7.1.6</a>.  <a href="#name-version-of-registry-format-4" class="xr ef">Version (of Registry Format)</a></p> <p id="section-toc.1-1.7.2.1.2.6.1"><a href="#section-7.1.6" class="xref">7.1.6</a>.  <a href="#name-version-of-registry-format-4" class="xr ef">Version (of Registry Format)</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.2">
<p id="section-toc.1-1.7.2.2.1"><a href="#section-7.2" class="xr ef">7.2</a>.  <a href="#name-metric-definition-4" class="xref">Metric Definition </a></p> <p id="section-toc.1-1.7.2.2.1"><a href="#section-7.2" class="xr ef">7.2</a>.  <a href="#name-metric-definition-4" class="xref">Metric Definition </a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.2.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.2.2.1">
<p id="section-toc.1-1.7.2.2.2.1.1"><a href="#section-7.2.1" class="xref">7.2.1</a>.  <a href="#name-reference-definition-7" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.7.2.2.2.1.1"><a href="#section-7.2.1" class="xref">7.2.1</a>.  <a href="#name-reference-definition-7" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.2.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .2.2.2">
<p id="section-toc.1-1.7.2.2.2.2.1"><a href="#section-7.2.2" class="xref">7.2.2</a>.  <a href="#name-fixed-parameters-4" class="xref">Fixed Parameters</a></p> <p id="section-toc.1-1.7.2.2.2.2.1"><a href="#section-7.2.2" class="xref">7.2.2</a>.  <a href="#name-fixed-parameters-4" class="xref">Fixed Parameters</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.3">
<p id="section-toc.1-1.7.2.3.1"><a href="#section-7.3" class="xr ef">7.3</a>.  <a href="#name-method-of-measurement-4" class="xref">Method of Mea surement</a></p> <p id="section-toc.1-1.7.2.3.1"><a href="#section-7.3" class="xr ef">7.3</a>.  <a href="#name-method-of-measurement-4" class="xref">Method of Mea surement</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.3.2.1">
<p id="section-toc.1-1.7.2.3.2.1.1"><a href="#section-7.3.1" class="xref">7.3.1</a>.  <a href="#name-reference-methods-4" class="xref">Refer ence Methods</a></p> <p id="section-toc.1-1.7.2.3.2.1.1"><a href="#section-7.3.1" class="xref">7.3.1</a>.  <a href="#name-reference-methods-4" class="xref">Refer ence Methods</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .3.2.2">
<p id="section-toc.1-1.7.2.3.2.2.1"><a href="#section-7.3.2" class="xref">7.3.2</a>.  <a href="#name-packet-stream-generation-4" class="xref ">Packet Stream Generation</a></p> <p id="section-toc.1-1.7.2.3.2.2.1"><a href="#section-7.3.2" class="xref">7.3.2</a>.  <a href="#name-packet-stream-generation-4" class="xref ">Packet Stream Generation</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .3.2.3">
<p id="section-toc.1-1.7.2.3.2.3.1"><a href="#section-7.3.3" class="xref">7.3.3</a>.  <a href="#name-traffic-filtering-observation-" class=" xref">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.7.2.3.2.3.1"><a href="#section-7.3.3" class="xref">7.3.3</a>.  <a href="#name-traffic-filtering-observation-" class=" xref">Traffic Filtering (Observation) Details</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .3.2.4">
<p id="section-toc.1-1.7.2.3.2.4.1"><a href="#section-7.3.4" class="xref">7.3.4</a>.  <a href="#name-sampling-distribution-4" class="xref">S ampling Distribution</a></p> <p id="section-toc.1-1.7.2.3.2.4.1"><a href="#section-7.3.4" class="xref">7.3.4</a>.  <a href="#name-sampling-distribution-4" class="xref">S ampling Distribution</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .3.2.5">
<p id="section-toc.1-1.7.2.3.2.5.1"><a href="#section-7.3.5" class="xref">7.3.5</a>.  <a href="#name-runtime-parameters-and-data-fo" class=" xref">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.7.2.3.2.5.1"><a href="#section-7.3.5" class="xref">7.3.5</a>.  <a href="#name-runtime-parameters-and-data-fo" class=" xref">Runtime Parameters and Data Format</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.3.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .3.2.6">
<p id="section-toc.1-1.7.2.3.2.6.1"><a href="#section-7.3.6" class="xref">7.3.6</a>.  <a href="#name-roles-4" class="xref">Roles</a></p> <p id="section-toc.1-1.7.2.3.2.6.1"><a href="#section-7.3.6" class="xref">7.3.6</a>.  <a href="#name-roles-4" class="xref">Roles</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.4"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.4">
<p id="section-toc.1-1.7.2.4.1"><a href="#section-7.4" class="xr ef">7.4</a>.  <a href="#name-output-4" class="xref">Output</a></p> <p id="section-toc.1-1.7.2.4.1"><a href="#section-7.4" class="xr ef">7.4</a>.  <a href="#name-output-4" class="xref">Output</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.4.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.4.2.1">
<p id="section-toc.1-1.7.2.4.2.1.1"><a href="#section-7.4.1" class="xref">7.4.1</a>.  <a href="#name-type-4" class="xref">Type</a></p> <p id="section-toc.1-1.7.2.4.2.1.1"><a href="#section-7.4.1" class="xref">7.4.1</a>.  <a href="#name-type-4" class="xref">Type</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.4.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .4.2.2">
<p id="section-toc.1-1.7.2.4.2.2.1"><a href="#section-7.4.2" class="xref">7.4.2</a>.  <a href="#name-reference-definition-8" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.7.2.4.2.2.1"><a href="#section-7.4.2" class="xref">7.4.2</a>.  <a href="#name-reference-definition-8" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.4.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .4.2.3">
<p id="section-toc.1-1.7.2.4.2.3.1"><a href="#section-7.4.3" class="xref">7.4.3</a>.  <a href="#name-metric-units-4" class="xref">Metric Uni ts</a></p> <p id="section-toc.1-1.7.2.4.2.3.1"><a href="#section-7.4.3" class="xref">7.4.3</a>.  <a href="#name-metric-units-4" class="xref">Metric Uni ts</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.4.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .4.2.4">
<p id="section-toc.1-1.7.2.4.2.4.1"><a href="#section-7.4.4" class="xref">7.4.4</a>.  <a href="#name-calibration-4" class="xref">Calibration </a></p> <p id="section-toc.1-1.7.2.4.2.4.1"><a href="#section-7.4.4" class="xref">7.4.4</a>.  <a href="#name-calibration-4" class="xref">Calibration </a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.5">
<p id="section-toc.1-1.7.2.5.1"><a href="#section-7.5" class="xr ef">7.5</a>.  <a href="#name-administrative-items-4" class="xref">Administrative Items</a></p> <p id="section-toc.1-1.7.2.5.1"><a href="#section-7.5" class="xr ef">7.5</a>.  <a href="#name-administrative-items-4" class="xref">Administrative Items</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.5.2.1">
<p id="section-toc.1-1.7.2.5.2.1.1"><a href="#section-7.5.1" class="xref">7.5.1</a>.  <a href="#name-status-4" class="xref">Status</a></p> <p id="section-toc.1-1.7.2.5.2.1.1"><a href="#section-7.5.1" class="xref">7.5.1</a>.  <a href="#name-status-4" class="xref">Status</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.5.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .5.2.2">
<p id="section-toc.1-1.7.2.5.2.2.1"><a href="#section-7.5.2" class="xref">7.5.2</a>.  <a href="#name-requester-4" class="xref">Requester</a> </p> <p id="section-toc.1-1.7.2.5.2.2.1"><a href="#section-7.5.2" class="xref">7.5.2</a>.  <a href="#name-requester-4" class="xref">Requester</a> </p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.5.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .5.2.3">
<p id="section-toc.1-1.7.2.5.2.3.1"><a href="#section-7.5.3" class="xref">7.5.3</a>.  <a href="#name-revision-4" class="xref">Revision</a></ p> <p id="section-toc.1-1.7.2.5.2.3.1"><a href="#section-7.5.3" class="xref">7.5.3</a>.  <a href="#name-revision-4" class="xref">Revision</a></ p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.5.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2 .5.2.4">
<p id="section-toc.1-1.7.2.5.2.4.1"><a href="#section-7.5.4" class="xref">7.5.4</a>.  <a href="#name-revision-date-4" class="xref">Revision Date</a></p> <p id="section-toc.1-1.7.2.5.2.4.1"><a href="#section-7.5.4" class="xref">7.5.4</a>.  <a href="#name-revision-date-4" class="xref">Revision Date</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.7.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.7.2.6">
<p id="section-toc.1-1.7.2.6.1"><a href="#section-7.6" class="xr ef">7.6</a>.  <a href="#name-comments-and-remarks-4" class="xref">Comments and R emarks</a></p> <p id="section-toc.1-1.7.2.6.1"><a href="#section-7.6" class="xr ef">7.6</a>.  <a href="#name-comments-and-remarks-4" class="xref">Comments and R emarks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.8">
<p id="section-toc.1-1.8.1"><a href="#section-8" class="xref">8</a>.   <a href="#name-udp-periodic-one-way-delay-" class="xref">UDP Periodic One-Way Delay and Loss Registry Entries</a></p> <p id="section-toc.1-1.8.1"><a href="#section-8" class="xref">8</a>.   <a href="#name-udp-periodic-one-way-delay-" class="xref">UDP Periodic One-Way Delay and Loss Registry Entries</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.1">
<p id="section-toc.1-1.8.2.1.1"><a href="#section-8.1" class="xr ef">8.1</a>.  <a href="#name-summary-5" class="xref">Summary</a></p> <p id="section-toc.1-1.8.2.1.1"><a href="#section-8.1" class="xr ef">8.1</a>.  <a href="#name-summary-5" class="xref">Summary</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.1.2.1">
<p id="section-toc.1-1.8.2.1.2.1.1"><a href="#section-8.1.1" class="xref">8.1.1</a>.  <a href="#name-id-identifier-5" class="xref">ID (Ident ifier)</a></p> <p id="section-toc.1-1.8.2.1.2.1.1"><a href="#section-8.1.1" class="xref">8.1.1</a>.  <a href="#name-id-identifier-5" class="xref">ID (Ident ifier)</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .1.2.2">
<p id="section-toc.1-1.8.2.1.2.2.1"><a href="#section-8.1.2" class="xref">8.1.2</a>.  <a href="#name-name-5" class="xref">Name</a></p> <p id="section-toc.1-1.8.2.1.2.2.1"><a href="#section-8.1.2" class="xref">8.1.2</a>.  <a href="#name-name-5" class="xref">Name</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .1.2.3">
<p id="section-toc.1-1.8.2.1.2.3.1"><a href="#section-8.1.3" class="xref">8.1.3</a>.  <a href="#name-uri-5" class="xref">URI</a></p> <p id="section-toc.1-1.8.2.1.2.3.1"><a href="#section-8.1.3" class="xref">8.1.3</a>.  <a href="#name-uri-5" class="xref">URI</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .1.2.4">
<p id="section-toc.1-1.8.2.1.2.4.1"><a href="#section-8.1.4" class="xref">8.1.4</a>.  <a href="#name-description-5" class="xref">Description </a></p> <p id="section-toc.1-1.8.2.1.2.4.1"><a href="#section-8.1.4" class="xref">8.1.4</a>.  <a href="#name-description-5" class="xref">Description </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .1.2.5">
<p id="section-toc.1-1.8.2.1.2.5.1"><a href="#section-8.1.5" class="xref">8.1.5</a>.  <a href="#name-change-controller-5" class="xref">Chang e Controller</a></p> <p id="section-toc.1-1.8.2.1.2.5.1"><a href="#section-8.1.5" class="xref">8.1.5</a>.  <a href="#name-change-controller-5" class="xref">Chang e Controller</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.1.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .1.2.6">
<p id="section-toc.1-1.8.2.1.2.6.1"><a href="#section-8.1.6" class="xref">8.1.6</a>.  <a href="#name-version-of-registry-format-5" class="xr ef">Version (of Registry Format)</a></p> <p id="section-toc.1-1.8.2.1.2.6.1"><a href="#section-8.1.6" class="xref">8.1.6</a>.  <a href="#name-version-of-registry-format-5" class="xr ef">Version (of Registry Format)</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.2">
<p id="section-toc.1-1.8.2.2.1"><a href="#section-8.2" class="xr ef">8.2</a>.  <a href="#name-metric-definition-5" class="xref">Metric Definition </a></p> <p id="section-toc.1-1.8.2.2.1"><a href="#section-8.2" class="xr ef">8.2</a>.  <a href="#name-metric-definition-5" class="xref">Metric Definition </a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.2.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.2.2.1">
<p id="section-toc.1-1.8.2.2.2.1.1"><a href="#section-8.2.1" class="xref">8.2.1</a>.  <a href="#name-reference-definition-9" class="xref">Re ference Definition</a></p> <p id="section-toc.1-1.8.2.2.2.1.1"><a href="#section-8.2.1" class="xref">8.2.1</a>.  <a href="#name-reference-definition-9" class="xref">Re ference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.2.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .2.2.2">
<p id="section-toc.1-1.8.2.2.2.2.1"><a href="#section-8.2.2" class="xref">8.2.2</a>.  <a href="#name-fixed-parameters-5" class="xref">Fixed Parameters</a></p> <p id="section-toc.1-1.8.2.2.2.2.1"><a href="#section-8.2.2" class="xref">8.2.2</a>.  <a href="#name-fixed-parameters-5" class="xref">Fixed Parameters</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.3">
<p id="section-toc.1-1.8.2.3.1"><a href="#section-8.3" class="xr ef">8.3</a>.  <a href="#name-method-of-measurement-5" class="xref">Method of Mea surement</a></p> <p id="section-toc.1-1.8.2.3.1"><a href="#section-8.3" class="xr ef">8.3</a>.  <a href="#name-method-of-measurement-5" class="xref">Method of Mea surement</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.3.2.1">
<p id="section-toc.1-1.8.2.3.2.1.1"><a href="#section-8.3.1" class="xref">8.3.1</a>.  <a href="#name-reference-methods-5" class="xref">Refer ence Methods</a></p> <p id="section-toc.1-1.8.2.3.2.1.1"><a href="#section-8.3.1" class="xref">8.3.1</a>.  <a href="#name-reference-methods-5" class="xref">Refer ence Methods</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .3.2.2">
<p id="section-toc.1-1.8.2.3.2.2.1"><a href="#section-8.3.2" class="xref">8.3.2</a>.  <a href="#name-packet-stream-generation-5" class="xref ">Packet Stream Generation</a></p> <p id="section-toc.1-1.8.2.3.2.2.1"><a href="#section-8.3.2" class="xref">8.3.2</a>.  <a href="#name-packet-stream-generation-5" class="xref ">Packet Stream Generation</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .3.2.3">
<p id="section-toc.1-1.8.2.3.2.3.1"><a href="#section-8.3.3" class="xref">8.3.3</a>.  <a href="#name-traffic-filtering-observation-d" class= "xref">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.8.2.3.2.3.1"><a href="#section-8.3.3" class="xref">8.3.3</a>.  <a href="#name-traffic-filtering-observation-d" class= "xref">Traffic Filtering (Observation) Details</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .3.2.4">
<p id="section-toc.1-1.8.2.3.2.4.1"><a href="#section-8.3.4" class="xref">8.3.4</a>.  <a href="#name-sampling-distribution-5" class="xref">S ampling Distribution</a></p> <p id="section-toc.1-1.8.2.3.2.4.1"><a href="#section-8.3.4" class="xref">8.3.4</a>.  <a href="#name-sampling-distribution-5" class="xref">S ampling Distribution</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .3.2.5">
<p id="section-toc.1-1.8.2.3.2.5.1"><a href="#section-8.3.5" class="xref">8.3.5</a>.  <a href="#name-runtime-parameters-and-data-for" class= "xref">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.8.2.3.2.5.1"><a href="#section-8.3.5" class="xref">8.3.5</a>.  <a href="#name-runtime-parameters-and-data-for" class= "xref">Runtime Parameters and Data Format</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.3.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .3.2.6">
<p id="section-toc.1-1.8.2.3.2.6.1"><a href="#section-8.3.6" class="xref">8.3.6</a>.  <a href="#name-roles-5" class="xref">Roles</a></p> <p id="section-toc.1-1.8.2.3.2.6.1"><a href="#section-8.3.6" class="xref">8.3.6</a>.  <a href="#name-roles-5" class="xref">Roles</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.4"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.4">
<p id="section-toc.1-1.8.2.4.1"><a href="#section-8.4" class="xr ef">8.4</a>.  <a href="#name-output-5" class="xref">Output</a></p> <p id="section-toc.1-1.8.2.4.1"><a href="#section-8.4" class="xr ef">8.4</a>.  <a href="#name-output-5" class="xref">Output</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.4.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.4.2.1">
<p id="section-toc.1-1.8.2.4.2.1.1"><a href="#section-8.4.1" class="xref">8.4.1</a>.  <a href="#name-type-5" class="xref">Type</a></p> <p id="section-toc.1-1.8.2.4.2.1.1"><a href="#section-8.4.1" class="xref">8.4.1</a>.  <a href="#name-type-5" class="xref">Type</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.4.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .4.2.2">
<p id="section-toc.1-1.8.2.4.2.2.1"><a href="#section-8.4.2" class="xref">8.4.2</a>.  <a href="#name-reference-definition-10" class="xref">R eference Definition</a></p> <p id="section-toc.1-1.8.2.4.2.2.1"><a href="#section-8.4.2" class="xref">8.4.2</a>.  <a href="#name-reference-definition-10" class="xref">R eference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.4.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .4.2.3">
<p id="section-toc.1-1.8.2.4.2.3.1"><a href="#section-8.4.3" class="xref">8.4.3</a>.  <a href="#name-metric-units-5" class="xref">Metric Uni ts</a></p> <p id="section-toc.1-1.8.2.4.2.3.1"><a href="#section-8.4.3" class="xref">8.4.3</a>.  <a href="#name-metric-units-5" class="xref">Metric Uni ts</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.4.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .4.2.4">
<p id="section-toc.1-1.8.2.4.2.4.1"><a href="#section-8.4.4" class="xref">8.4.4</a>.  <a href="#name-calibration-5" class="xref">Calibration </a></p> <p id="section-toc.1-1.8.2.4.2.4.1"><a href="#section-8.4.4" class="xref">8.4.4</a>.  <a href="#name-calibration-5" class="xref">Calibration </a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.5">
<p id="section-toc.1-1.8.2.5.1"><a href="#section-8.5" class="xr ef">8.5</a>.  <a href="#name-administrative-items-5" class="xref">Administrative Items</a></p> <p id="section-toc.1-1.8.2.5.1"><a href="#section-8.5" class="xr ef">8.5</a>.  <a href="#name-administrative-items-5" class="xref">Administrative Items</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.5.2.1">
<p id="section-toc.1-1.8.2.5.2.1.1"><a href="#section-8.5.1" class="xref">8.5.1</a>.  <a href="#name-status-5" class="xref">Status</a></p> <p id="section-toc.1-1.8.2.5.2.1.1"><a href="#section-8.5.1" class="xref">8.5.1</a>.  <a href="#name-status-5" class="xref">Status</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.5.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .5.2.2">
<p id="section-toc.1-1.8.2.5.2.2.1"><a href="#section-8.5.2" class="xref">8.5.2</a>.  <a href="#name-requester-5" class="xref">Requester</a> </p> <p id="section-toc.1-1.8.2.5.2.2.1"><a href="#section-8.5.2" class="xref">8.5.2</a>.  <a href="#name-requester-5" class="xref">Requester</a> </p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.5.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .5.2.3">
<p id="section-toc.1-1.8.2.5.2.3.1"><a href="#section-8.5.3" class="xref">8.5.3</a>.  <a href="#name-revision-5" class="xref">Revision</a></ p> <p id="section-toc.1-1.8.2.5.2.3.1"><a href="#section-8.5.3" class="xref">8.5.3</a>.  <a href="#name-revision-5" class="xref">Revision</a></ p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.5.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2 .5.2.4">
<p id="section-toc.1-1.8.2.5.2.4.1"><a href="#section-8.5.4" class="xref">8.5.4</a>.  <a href="#name-revision-date-5" class="xref">Revision Date</a></p> <p id="section-toc.1-1.8.2.5.2.4.1"><a href="#section-8.5.4" class="xref">8.5.4</a>.  <a href="#name-revision-date-5" class="xref">Revision Date</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.8.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.8.2.6">
<p id="section-toc.1-1.8.2.6.1"><a href="#section-8.6" class="xr ef">8.6</a>.  <a href="#name-comments-and-remarks-5" class="xref">Comments and R emarks</a></p> <p id="section-toc.1-1.8.2.6.1"><a href="#section-8.6" class="xr ef">8.6</a>.  <a href="#name-comments-and-remarks-5" class="xref">Comments and R emarks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.9">
<p id="section-toc.1-1.9.1"><a href="#section-9" class="xref">9</a>.   <a href="#name-icmp-round-trip-latency-and" class="xref">ICMP Round-Trip Laten cy and Loss Registry Entries</a></p> <p id="section-toc.1-1.9.1"><a href="#section-9" class="xref">9</a>.   <a href="#name-icmp-round-trip-latency-and" class="xref">ICMP Round-Trip Laten cy and Loss Registry Entries</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.1">
<p id="section-toc.1-1.9.2.1.1"><a href="#section-9.1" class="xr ef">9.1</a>.  <a href="#name-summary-6" class="xref">Summary</a></p> <p id="section-toc.1-1.9.2.1.1"><a href="#section-9.1" class="xr ef">9.1</a>.  <a href="#name-summary-6" class="xref">Summary</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.1.2.1">
<p id="section-toc.1-1.9.2.1.2.1.1"><a href="#section-9.1.1" class="xref">9.1.1</a>.  <a href="#name-id-identifier-6" class="xref">ID (Ident ifier)</a></p> <p id="section-toc.1-1.9.2.1.2.1.1"><a href="#section-9.1.1" class="xref">9.1.1</a>.  <a href="#name-id-identifier-6" class="xref">ID (Ident ifier)</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .1.2.2">
<p id="section-toc.1-1.9.2.1.2.2.1"><a href="#section-9.1.2" class="xref">9.1.2</a>.  <a href="#name-name-6" class="xref">Name</a></p> <p id="section-toc.1-1.9.2.1.2.2.1"><a href="#section-9.1.2" class="xref">9.1.2</a>.  <a href="#name-name-6" class="xref">Name</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .1.2.3">
<p id="section-toc.1-1.9.2.1.2.3.1"><a href="#section-9.1.3" class="xref">9.1.3</a>.  <a href="#name-uri-6" class="xref">URI</a></p> <p id="section-toc.1-1.9.2.1.2.3.1"><a href="#section-9.1.3" class="xref">9.1.3</a>.  <a href="#name-uri-6" class="xref">URI</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .1.2.4">
<p id="section-toc.1-1.9.2.1.2.4.1"><a href="#section-9.1.4" class="xref">9.1.4</a>.  <a href="#name-description-6" class="xref">Description </a></p> <p id="section-toc.1-1.9.2.1.2.4.1"><a href="#section-9.1.4" class="xref">9.1.4</a>.  <a href="#name-description-6" class="xref">Description </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .1.2.5">
<p id="section-toc.1-1.9.2.1.2.5.1"><a href="#section-9.1.5" class="xref">9.1.5</a>.  <a href="#name-change-controller-6" class="xref">Chang e Controller</a></p> <p id="section-toc.1-1.9.2.1.2.5.1"><a href="#section-9.1.5" class="xref">9.1.5</a>.  <a href="#name-change-controller-6" class="xref">Chang e Controller</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.1.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .1.2.6">
<p id="section-toc.1-1.9.2.1.2.6.1"><a href="#section-9.1.6" class="xref">9.1.6</a>.  <a href="#name-version-of-registry-format-6" class="xr ef">Version (of Registry Format)</a></p> <p id="section-toc.1-1.9.2.1.2.6.1"><a href="#section-9.1.6" class="xref">9.1.6</a>.  <a href="#name-version-of-registry-format-6" class="xr ef">Version (of Registry Format)</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.2">
<p id="section-toc.1-1.9.2.2.1"><a href="#section-9.2" class="xr ef">9.2</a>.  <a href="#name-metric-definition-6" class="xref">Metric Definition </a></p> <p id="section-toc.1-1.9.2.2.1"><a href="#section-9.2" class="xr ef">9.2</a>.  <a href="#name-metric-definition-6" class="xref">Metric Definition </a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.2.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.2.2.1">
<p id="section-toc.1-1.9.2.2.2.1.1"><a href="#section-9.2.1" class="xref">9.2.1</a>.  <a href="#name-reference-definition-11" class="xref">R eference Definition</a></p> <p id="section-toc.1-1.9.2.2.2.1.1"><a href="#section-9.2.1" class="xref">9.2.1</a>.  <a href="#name-reference-definition-11" class="xref">R eference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.2.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .2.2.2">
<p id="section-toc.1-1.9.2.2.2.2.1"><a href="#section-9.2.2" class="xref">9.2.2</a>.  <a href="#name-fixed-parameters-6" class="xref">Fixed Parameters</a></p> <p id="section-toc.1-1.9.2.2.2.2.1"><a href="#section-9.2.2" class="xref">9.2.2</a>.  <a href="#name-fixed-parameters-6" class="xref">Fixed Parameters</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.3">
<p id="section-toc.1-1.9.2.3.1"><a href="#section-9.3" class="xr ef">9.3</a>.  <a href="#name-method-of-measurement-6" class="xref">Method of Mea surement</a></p> <p id="section-toc.1-1.9.2.3.1"><a href="#section-9.3" class="xr ef">9.3</a>.  <a href="#name-method-of-measurement-6" class="xref">Method of Mea surement</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.3.2.1">
<p id="section-toc.1-1.9.2.3.2.1.1"><a href="#section-9.3.1" class="xref">9.3.1</a>.  <a href="#name-reference-methods-6" class="xref">Refer ence Methods</a></p> <p id="section-toc.1-1.9.2.3.2.1.1"><a href="#section-9.3.1" class="xref">9.3.1</a>.  <a href="#name-reference-methods-6" class="xref">Refer ence Methods</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .3.2.2">
<p id="section-toc.1-1.9.2.3.2.2.1"><a href="#section-9.3.2" class="xref">9.3.2</a>.  <a href="#name-packet-stream-generation-6" class="xref ">Packet Stream Generation</a></p> <p id="section-toc.1-1.9.2.3.2.2.1"><a href="#section-9.3.2" class="xref">9.3.2</a>.  <a href="#name-packet-stream-generation-6" class="xref ">Packet Stream Generation</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .3.2.3">
<p id="section-toc.1-1.9.2.3.2.3.1"><a href="#section-9.3.3" class="xref">9.3.3</a>.  <a href="#name-traffic-filtering-observation-de" class ="xref">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.9.2.3.2.3.1"><a href="#section-9.3.3" class="xref">9.3.3</a>.  <a href="#name-traffic-filtering-observation-de" class ="xref">Traffic Filtering (Observation) Details</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .3.2.4">
<p id="section-toc.1-1.9.2.3.2.4.1"><a href="#section-9.3.4" class="xref">9.3.4</a>.  <a href="#name-sampling-distribution-6" class="xref">S ampling Distribution</a></p> <p id="section-toc.1-1.9.2.3.2.4.1"><a href="#section-9.3.4" class="xref">9.3.4</a>.  <a href="#name-sampling-distribution-6" class="xref">S ampling Distribution</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3.2.5" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .3.2.5">
<p id="section-toc.1-1.9.2.3.2.5.1"><a href="#section-9.3.5" class="xref">9.3.5</a>.  <a href="#name-runtime-parameters-and-data-form" class ="xref">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.9.2.3.2.5.1"><a href="#section-9.3.5" class="xref">9.3.5</a>.  <a href="#name-runtime-parameters-and-data-form" class ="xref">Runtime Parameters and Data Format</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.3.2.6" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .3.2.6">
<p id="section-toc.1-1.9.2.3.2.6.1"><a href="#section-9.3.6" class="xref">9.3.6</a>.  <a href="#name-roles-6" class="xref">Roles</a></p> <p id="section-toc.1-1.9.2.3.2.6.1"><a href="#section-9.3.6" class="xref">9.3.6</a>.  <a href="#name-roles-6" class="xref">Roles</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.4"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.4">
<p id="section-toc.1-1.9.2.4.1"><a href="#section-9.4" class="xr ef">9.4</a>.  <a href="#name-output-6" class="xref">Output</a></p> <p id="section-toc.1-1.9.2.4.1"><a href="#section-9.4" class="xr ef">9.4</a>.  <a href="#name-output-6" class="xref">Output</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.4.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.4.2.1">
<p id="section-toc.1-1.9.2.4.2.1.1"><a href="#section-9.4.1" class="xref">9.4.1</a>.  <a href="#name-type-6" class="xref">Type</a></p> <p id="section-toc.1-1.9.2.4.2.1.1"><a href="#section-9.4.1" class="xref">9.4.1</a>.  <a href="#name-type-6" class="xref">Type</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.4.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .4.2.2">
<p id="section-toc.1-1.9.2.4.2.2.1"><a href="#section-9.4.2" class="xref">9.4.2</a>.  <a href="#name-reference-definition-12" class="xref">R eference Definition</a></p> <p id="section-toc.1-1.9.2.4.2.2.1"><a href="#section-9.4.2" class="xref">9.4.2</a>.  <a href="#name-reference-definition-12" class="xref">R eference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.4.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .4.2.3">
<p id="section-toc.1-1.9.2.4.2.3.1"><a href="#section-9.4.3" class="xref">9.4.3</a>.  <a href="#name-metric-units-6" class="xref">Metric Uni ts</a></p> <p id="section-toc.1-1.9.2.4.2.3.1"><a href="#section-9.4.3" class="xref">9.4.3</a>.  <a href="#name-metric-units-6" class="xref">Metric Uni ts</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.4.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .4.2.4">
<p id="section-toc.1-1.9.2.4.2.4.1"><a href="#section-9.4.4" class="xref">9.4.4</a>.  <a href="#name-calibration-6" class="xref">Calibration </a></p> <p id="section-toc.1-1.9.2.4.2.4.1"><a href="#section-9.4.4" class="xref">9.4.4</a>.  <a href="#name-calibration-6" class="xref">Calibration </a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.5">
<p id="section-toc.1-1.9.2.5.1"><a href="#section-9.5" class="xr ef">9.5</a>.  <a href="#name-administrative-items-6" class="xref">Administrative Items</a></p> <p id="section-toc.1-1.9.2.5.1"><a href="#section-9.5" class="xr ef">9.5</a>.  <a href="#name-administrative-items-6" class="xref">Administrative Items</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.5.2.1">
<p id="section-toc.1-1.9.2.5.2.1.1"><a href="#section-9.5.1" class="xref">9.5.1</a>.  <a href="#name-status-6" class="xref">Status</a></p> <p id="section-toc.1-1.9.2.5.2.1.1"><a href="#section-9.5.1" class="xref">9.5.1</a>.  <a href="#name-status-6" class="xref">Status</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.5.2.2" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .5.2.2">
<p id="section-toc.1-1.9.2.5.2.2.1"><a href="#section-9.5.2" class="xref">9.5.2</a>.  <a href="#name-requester-6" class="xref">Requester</a> </p> <p id="section-toc.1-1.9.2.5.2.2.1"><a href="#section-9.5.2" class="xref">9.5.2</a>.  <a href="#name-requester-6" class="xref">Requester</a> </p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.5.2.3" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .5.2.3">
<p id="section-toc.1-1.9.2.5.2.3.1"><a href="#section-9.5.3" class="xref">9.5.3</a>.  <a href="#name-revision-6" class="xref">Revision</a></ p> <p id="section-toc.1-1.9.2.5.2.3.1"><a href="#section-9.5.3" class="xref">9.5.3</a>.  <a href="#name-revision-6" class="xref">Revision</a></ p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.5.2.4" > <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2 .5.2.4">
<p id="section-toc.1-1.9.2.5.2.4.1"><a href="#section-9.5.4" class="xref">9.5.4</a>.  <a href="#name-revision-date-6" class="xref">Revision Date</a></p> <p id="section-toc.1-1.9.2.5.2.4.1"><a href="#section-9.5.4" class="xref">9.5.4</a>.  <a href="#name-revision-date-6" class="xref">Revision Date</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.9.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.9.2.6">
<p id="section-toc.1-1.9.2.6.1"><a href="#section-9.6" class="xr ef">9.6</a>.  <a href="#name-comments-and-remarks-6" class="xref">Comments and R emarks</a></p> <p id="section-toc.1-1.9.2.6.1"><a href="#section-9.6" class="xr ef">9.6</a>.  <a href="#name-comments-and-remarks-6" class="xref">Comments and R emarks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.10">
<p id="section-toc.1-1.10.1"><a href="#section-10" class="xref">10</ a>. <a href="#name-tcp-round-trip-delay-and-lo" class="xref">TCP Round-Trip Dela y and Loss Registry Entries</a></p> <p id="section-toc.1-1.10.1"><a href="#section-10" class="xref">10</ a>. <a href="#name-tcp-round-trip-delay-and-lo" class="xref">TCP Round-Trip Dela y and Loss Registry Entries</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.1">
<p id="section-toc.1-1.10.2.1.1"><a href="#section-10.1" class=" xref">10.1</a>.  <a href="#name-summary-7" class="xref">Summary</a></p> <p id="section-toc.1-1.10.2.1.1"><a href="#section-10.1" class=" xref">10.1</a>.  <a href="#name-summary-7" class="xref">Summary</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.1.2.1">
<p id="section-toc.1-1.10.2.1.2.1.1"><a href="#section-10.1. 1" class="xref">10.1.1</a>.  <a href="#name-id-identifier-7" class="xref">ID (Id entifier)</a></p> <p id="section-toc.1-1.10.2.1.2.1.1"><a href="#section-10.1. 1" class="xref">10.1.1</a>.  <a href="#name-id-identifier-7" class="xref">ID (Id entifier)</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1.2.2 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.1.2.2">
<p id="section-toc.1-1.10.2.1.2.2.1"><a href="#section-10.1. 2" class="xref">10.1.2</a>.  <a href="#name-name-7" class="xref">Name</a></p> <p id="section-toc.1-1.10.2.1.2.2.1"><a href="#section-10.1. 2" class="xref">10.1.2</a>.  <a href="#name-name-7" class="xref">Name</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1.2.3 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.1.2.3">
<p id="section-toc.1-1.10.2.1.2.3.1"><a href="#section-10.1. 3" class="xref">10.1.3</a>.  <a href="#name-uri-7" class="xref">URI</a></p> <p id="section-toc.1-1.10.2.1.2.3.1"><a href="#section-10.1. 3" class="xref">10.1.3</a>.  <a href="#name-uri-7" class="xref">URI</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1.2.4 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.1.2.4">
<p id="section-toc.1-1.10.2.1.2.4.1"><a href="#section-10.1. 4" class="xref">10.1.4</a>.  <a href="#name-description-7" class="xref">Descript ion</a></p> <p id="section-toc.1-1.10.2.1.2.4.1"><a href="#section-10.1. 4" class="xref">10.1.4</a>.  <a href="#name-description-7" class="xref">Descript ion</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1.2.5 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.1.2.5">
<p id="section-toc.1-1.10.2.1.2.5.1"><a href="#section-10.1. 5" class="xref">10.1.5</a>.  <a href="#name-change-controller-7" class="xref">Ch ange Controller</a></p> <p id="section-toc.1-1.10.2.1.2.5.1"><a href="#section-10.1. 5" class="xref">10.1.5</a>.  <a href="#name-change-controller-7" class="xref">Ch ange Controller</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.1.2.6 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.1.2.6">
<p id="section-toc.1-1.10.2.1.2.6.1"><a href="#section-10.1. 6" class="xref">10.1.6</a>.  <a href="#name-version-of-registry-format-7" class= "xref">Version (of Registry Format)</a></p> <p id="section-toc.1-1.10.2.1.2.6.1"><a href="#section-10.1. 6" class="xref">10.1.6</a>.  <a href="#name-version-of-registry-format-7" class= "xref">Version (of Registry Format)</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.2" >
<p id="section-toc.1-1.10.2.2.1"><a href="#section-10.2" class=" xref">10.2</a>.  <a href="#name-metric-definition-7" class="xref">Metric Definit ion</a></p> <p id="section-toc.1-1.10.2.2.1"><a href="#section-10.2" class=" xref">10.2</a>.  <a href="#name-metric-definition-7" class="xref">Metric Definit ion</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.2.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.2.2.1">
<p id="section-toc.1-1.10.2.2.2.1.1"><a href="#section-10.2. 1" class="xref">10.2.1</a>.  <a href="#name-reference-definition-13" class="xref ">Reference Definition</a></p> <p id="section-toc.1-1.10.2.2.2.1.1"><a href="#section-10.2. 1" class="xref">10.2.1</a>.  <a href="#name-reference-definition-13" class="xref ">Reference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.2.2.2 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.2.2.2">
<p id="section-toc.1-1.10.2.2.2.2.1"><a href="#section-10.2. 2" class="xref">10.2.2</a>.  <a href="#name-fixed-parameters-7" class="xref">Fix ed Parameters</a></p> <p id="section-toc.1-1.10.2.2.2.2.1"><a href="#section-10.2. 2" class="xref">10.2.2</a>.  <a href="#name-fixed-parameters-7" class="xref">Fix ed Parameters</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.3" >
<p id="section-toc.1-1.10.2.3.1"><a href="#section-10.3" class=" xref">10.3</a>.  <a href="#name-method-of-measurement-7" class="xref">Method of Measurement</a></p> <p id="section-toc.1-1.10.2.3.1"><a href="#section-10.3" class=" xref">10.3</a>.  <a href="#name-method-of-measurement-7" class="xref">Method of Measurement</a></p>
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<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.3.2.1">
<p id="section-toc.1-1.10.2.3.2.1.1"><a href="#section-10.3. 1" class="xref">10.3.1</a>.  <a href="#name-reference-methods-7" class="xref">Re ference Methods</a></p> <p id="section-toc.1-1.10.2.3.2.1.1"><a href="#section-10.3. 1" class="xref">10.3.1</a>.  <a href="#name-reference-methods-7" class="xref">Re ference Methods</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3.2.2 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.3.2.2">
<p id="section-toc.1-1.10.2.3.2.2.1"><a href="#section-10.3. 2" class="xref">10.3.2</a>.  <a href="#name-packet-stream-generation-7" class="x ref">Packet Stream Generation</a></p> <p id="section-toc.1-1.10.2.3.2.2.1"><a href="#section-10.3. 2" class="xref">10.3.2</a>.  <a href="#name-packet-stream-generation-7" class="x ref">Packet Stream Generation</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3.2.3 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.3.2.3">
<p id="section-toc.1-1.10.2.3.2.3.1"><a href="#section-10.3. 3" class="xref">10.3.3</a>.  <a href="#name-traffic-filtering-observation-det" c lass="xref">Traffic Filtering (Observation) Details</a></p> <p id="section-toc.1-1.10.2.3.2.3.1"><a href="#section-10.3. 3" class="xref">10.3.3</a>.  <a href="#name-traffic-filtering-observation-det" c lass="xref">Traffic Filtering (Observation) Details</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3.2.4 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.3.2.4">
<p id="section-toc.1-1.10.2.3.2.4.1"><a href="#section-10.3. 4" class="xref">10.3.4</a>.  <a href="#name-sampling-distribution-7" class="xref ">Sampling Distribution</a></p> <p id="section-toc.1-1.10.2.3.2.4.1"><a href="#section-10.3. 4" class="xref">10.3.4</a>.  <a href="#name-sampling-distribution-7" class="xref ">Sampling Distribution</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3.2.5 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.3.2.5">
<p id="section-toc.1-1.10.2.3.2.5.1"><a href="#section-10.3. 5" class="xref">10.3.5</a>.  <a href="#name-runtime-parameters-and-data-forma" c lass="xref">Runtime Parameters and Data Format</a></p> <p id="section-toc.1-1.10.2.3.2.5.1"><a href="#section-10.3. 5" class="xref">10.3.5</a>.  <a href="#name-runtime-parameters-and-data-forma" c lass="xref">Runtime Parameters and Data Format</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.3.2.6 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.3.2.6">
<p id="section-toc.1-1.10.2.3.2.6.1"><a href="#section-10.3. 6" class="xref">10.3.6</a>.  <a href="#name-roles-7" class="xref">Roles</a></p> <p id="section-toc.1-1.10.2.3.2.6.1"><a href="#section-10.3. 6" class="xref">10.3.6</a>.  <a href="#name-roles-7" class="xref">Roles</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.4"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.4" >
<p id="section-toc.1-1.10.2.4.1"><a href="#section-10.4" class=" xref">10.4</a>.  <a href="#name-output-7" class="xref">Output</a></p> <p id="section-toc.1-1.10.2.4.1"><a href="#section-10.4" class=" xref">10.4</a>.  <a href="#name-output-7" class="xref">Output</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.4.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.4.2.1">
<p id="section-toc.1-1.10.2.4.2.1.1"><a href="#section-10.4. 1" class="xref">10.4.1</a>.  <a href="#name-type-7" class="xref">Type</a></p> <p id="section-toc.1-1.10.2.4.2.1.1"><a href="#section-10.4. 1" class="xref">10.4.1</a>.  <a href="#name-type-7" class="xref">Type</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.4.2.2 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.4.2.2">
<p id="section-toc.1-1.10.2.4.2.2.1"><a href="#section-10.4. 2" class="xref">10.4.2</a>.  <a href="#name-reference-definition-14" class="xref ">Reference Definition</a></p> <p id="section-toc.1-1.10.2.4.2.2.1"><a href="#section-10.4. 2" class="xref">10.4.2</a>.  <a href="#name-reference-definition-14" class="xref ">Reference Definition</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.4.2.3 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.4.2.3">
<p id="section-toc.1-1.10.2.4.2.3.1"><a href="#section-10.4. 3" class="xref">10.4.3</a>.  <a href="#name-metric-units-7" class="xref">Metric Units</a></p> <p id="section-toc.1-1.10.2.4.2.3.1"><a href="#section-10.4. 3" class="xref">10.4.3</a>.  <a href="#name-metric-units-7" class="xref">Metric Units</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.4.2.4 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.4.2.4">
<p id="section-toc.1-1.10.2.4.2.4.1"><a href="#section-10.4. 4" class="xref">10.4.4</a>.  <a href="#name-calibration-7" class="xref">Calibrat ion</a></p> <p id="section-toc.1-1.10.2.4.2.4.1"><a href="#section-10.4. 4" class="xref">10.4.4</a>.  <a href="#name-calibration-7" class="xref">Calibrat ion</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.5"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.5" >
<p id="section-toc.1-1.10.2.5.1"><a href="#section-10.5" class=" xref">10.5</a>.  <a href="#name-administrative-items-7" class="xref">Administrat ive Items</a></p> <p id="section-toc.1-1.10.2.5.1"><a href="#section-10.5" class=" xref">10.5</a>.  <a href="#name-administrative-items-7" class="xref">Administrat ive Items</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.5.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.5.2.1">
<p id="section-toc.1-1.10.2.5.2.1.1"><a href="#section-10.5. 1" class="xref">10.5.1</a>.  <a href="#name-status-7" class="xref">Status</a></p > <p id="section-toc.1-1.10.2.5.2.1.1"><a href="#section-10.5. 1" class="xref">10.5.1</a>.  <a href="#name-status-7" class="xref">Status</a></p >
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.5.2.2 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.5.2.2">
<p id="section-toc.1-1.10.2.5.2.2.1"><a href="#section-10.5. 2" class="xref">10.5.2</a>.  <a href="#name-requester-7" class="xref">Requester< /a></p> <p id="section-toc.1-1.10.2.5.2.2.1"><a href="#section-10.5. 2" class="xref">10.5.2</a>.  <a href="#name-requester-7" class="xref">Requester< /a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.5.2.3 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.5.2.3">
<p id="section-toc.1-1.10.2.5.2.3.1"><a href="#section-10.5. 3" class="xref">10.5.3</a>.  <a href="#name-revision-7" class="xref">Revision</a ></p> <p id="section-toc.1-1.10.2.5.2.3.1"><a href="#section-10.5. 3" class="xref">10.5.3</a>.  <a href="#name-revision-7" class="xref">Revision</a ></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.5.2.4 "> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10. 2.5.2.4">
<p id="section-toc.1-1.10.2.5.2.4.1"><a href="#section-10.5. 4" class="xref">10.5.4</a>.  <a href="#name-revision-date-7" class="xref">Revisi on Date</a></p> <p id="section-toc.1-1.10.2.5.2.4.1"><a href="#section-10.5. 4" class="xref">10.5.4</a>.  <a href="#name-revision-date-7" class="xref">Revisi on Date</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.10.2.6"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.10.2.6" >
<p id="section-toc.1-1.10.2.6.1"><a href="#section-10.6" class=" xref">10.6</a>.  <a href="#name-comments-and-remarks-7" class="xref">Comments an d Remarks</a></p> <p id="section-toc.1-1.10.2.6.1"><a href="#section-10.6" class=" xref">10.6</a>.  <a href="#name-comments-and-remarks-7" class="xref">Comments an d Remarks</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.11"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.11">
<p id="section-toc.1-1.11.1"><a href="#section-11" class="xref">11</ a>. <a href="#name-security-considerations" class="xref">Security Considerations </a></p> <p id="section-toc.1-1.11.1"><a href="#section-11" class="xref">11</ a>. <a href="#name-security-considerations" class="xref">Security Considerations </a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.12"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12">
<p id="section-toc.1-1.12.1"><a href="#section-12" class="xref">12</ a>. <a href="#name-iana-considerations" class="xref">IANA Considerations</a></p> <p id="section-toc.1-1.12.1"><a href="#section-12" class="xref">12</ a>. <a href="#name-iana-considerations" class="xref">IANA Considerations</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.13"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.13">
<p id="section-toc.1-1.13.1"><a href="#section-13" class="xref">13</ a>. <a href="#name-references" class="xref">References</a></p> <p id="section-toc.1-1.13.1"><a href="#section-13" class="xref">13</ a>. <a href="#name-references" class="xref">References</a></p>
<ul class="compact ulEmpty toc"> <ul class="compact ulBare toc ulEmpty">
<li class="compact ulEmpty toc" id="section-toc.1-1.13.2.1"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.13.2.1">
<p id="section-toc.1-1.13.2.1.1"><a href="#section-13.1" class=" xref">13.1</a>.  <a href="#name-normative-references" class="xref">Normative Ref erences</a></p> <p id="section-toc.1-1.13.2.1.1"><a href="#section-13.1" class=" xref">13.1</a>.  <a href="#name-normative-references" class="xref">Normative Ref erences</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.13.2.2"> <li class="compact ulBare toc ulEmpty" id="section-toc.1-1.13.2.2" >
<p id="section-toc.1-1.13.2.2.1"><a href="#section-13.2" class=" xref">13.2</a>.  <a href="#name-informative-references" class="xref">Informative References</a></p> <p id="section-toc.1-1.13.2.2.1"><a href="#section-13.2" class=" xref">13.2</a>.  <a href="#name-informative-references" class="xref">Informative References</a></p>
</li> </li>
</ul> </ul>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.14"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.14">
<p id="section-toc.1-1.14.1"><a href="#section-appendix.a" class="xr <p id="section-toc.1-1.14.1"><a href="#appendix-A" class="xref"></a>
ef"></a><a href="#name-acknowledgments" class="xref">Acknowledgments</a></p> <a href="#name-acknowledgments" class="xref">Acknowledgments</a></p>
</li> </li>
<li class="compact ulEmpty toc" id="section-toc.1-1.15"> <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.15">
<p id="section-toc.1-1.15.1"><a href="#section-appendix.b" class="xr <p id="section-toc.1-1.15.1"><a href="#appendix-B" class="xref"></a>
ef"></a><a href="#name-authors-addresses" class="xref">Authors' Addresses</a></p <a href="#name-authors-addresses" class="xref">Authors' Addresses</a></p>
>
</li> </li>
</ul> </ul>
</nav> </nav>
</section> </section>
</div> </div>
<section id="section-1"> <section id="section-1">
<h2 id="name-introduction"> <h2 id="name-introduction">
<a href="#section-1" class="section-number selfRef">1. </a><a href="#name-introd uction" class="section-name selfRef">Introduction</a> <a href="#section-1" class="section-number selfRef">1. </a><a href="#name-introd uction" class="section-name selfRef">Introduction</a>
</h2> </h2>
<p id="section-1-1">This memo defines an initial set of entries for the Performa nce <p id="section-1-1">This memo defines an initial set of entries for the Performa nce
skipping to change at line 2270 skipping to change at line 2273
&lt;https://www.rfc-editor.org/info/rfc6673&gt;. &lt;https://www.rfc-editor.org/info/rfc6673&gt;.
<span>[<a href="#RFC6673" class="xref">RFC6673</a>]</span><a href="#se ction-4.2.1-7" class="pilcrow">¶</a></p> <span>[<a href="#RFC6673" class="xref">RFC6673</a>]</span><a href="#se ction-4.2.1-7" class="pilcrow">¶</a></p>
<p id="section-4.2.1-8">Both Delay and Loss metrics employ a maximum waiting tim e for <p id="section-4.2.1-8">Both Delay and Loss metrics employ a maximum waiting tim e for
received packets, so the count of lost packets to total packets sent received packets, so the count of lost packets to total packets sent
is the basis for the loss ratio calculation as per <span><a href="http s://www.rfc-editor.org/rfc/rfc6673#section-6.1" class="relref">Section 6.1</a> o f [<a href="#RFC6673" class="xref">RFC6673</a>]</span>.<a href="#section-4.2.1-8 " class="pilcrow">¶</a></p> is the basis for the loss ratio calculation as per <span><a href="http s://www.rfc-editor.org/rfc/rfc6673#section-6.1" class="relref">Section 6.1</a> o f [<a href="#RFC6673" class="xref">RFC6673</a>]</span>.<a href="#section-4.2.1-8 " class="pilcrow">¶</a></p>
</section> </section>
<section id="section-4.2.2"> <section id="section-4.2.2">
<h4 id="name-fixed-parameters"> <h4 id="name-fixed-parameters">
<a href="#section-4.2.2" class="section-number selfRef">4.2.2. </a><a href="#nam e-fixed-parameters" class="section-name selfRef">Fixed Parameters</a> <a href="#section-4.2.2" class="section-number selfRef">4.2.2. </a><a href="#nam e-fixed-parameters" class="section-name selfRef">Fixed Parameters</a>
</h4> </h4>
<span class="break"></span><dl class="dlParallel" id="section-4.2.2-1"> <span class="break"></span><dl class="dlNewline" id="section-4.2.2-1">
<dt id="section-4.2.2-1.1">Type-P:</dt> <dt id="section-4.2.2-1.1">Type-P as defined in <span><a href="https
://www.rfc-editor.org/rfc/rfc2330#section-13" class="relref">Section 13</a> of [
<a href="#RFC2330" class="xref">RFC2330</a>]</span>:</dt>
<dd style="margin-left: 1.5em" id="section-4.2.2-1.2"> <dd style="margin-left: 1.5em" id="section-4.2.2-1.2">
<p id="section-4.2.2-1.2.1">As defined in <span><a href="https://w ww.rfc-editor.org/rfc/rfc2330#section-13" class="relref">Section 13</a> of [<a h ref="#RFC2330" class="xref">RFC2330</a>]</span>:<a href="#section-4.2.2-1.2.1" c lass="pilcrow">¶</a></p> <p id="section-4.2.2-1.2.1"></p>
<span class="break"></span><dl class="dlNewline" id="section-4.2.2-1.2.2"> <span class="break"></span><dl class="dlNewline" id="section-4.2.2-1.2.2">
<dt id="section-4.2.2-1.2.2.1">IPv4 header values:</dt> <dt id="section-4.2.2-1.2.2.1">IPv4 header values:</dt>
<dd style="margin-left: 1.5em" id="section-4.2.2-1.2.2.2"> <dd style="margin-left: 1.5em" id="section-4.2.2-1.2.2.2">
<p id="section-4.2.2-1.2.2.2.1"></p> <p id="section-4.2.2-1.2.2.2.1"></p>
<span class="break"></span><dl class="dlParallel dlCompact" id="section-4.2.2-1. 2.2.2.2"> <span class="break"></span><dl class="dlParallel dlCompact" id="section-4.2.2-1. 2.2.2.2">
<dt id="section-4.2.2-1.2.2.2.2.1">DSCP:</dt> <dt id="section-4.2.2-1.2.2.2.2.1">DSCP:</dt>
<dd style="margin-left: 1.5em" id="section-4.2.2-1.2.2.2.2.2 ">Set to 0<a href="#section-4.2.2-1.2.2.2.2.2" class="pilcrow">¶</a> <dd style="margin-left: 1.5em" id="section-4.2.2-1.2.2.2.2.2 ">Set to 0<a href="#section-4.2.2-1.2.2.2.2.2" class="pilcrow">¶</a>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="section-4.2.2-1.2.2.2.2.3">TTL:</dt> <dt id="section-4.2.2-1.2.2.2.2.3">TTL:</dt>
skipping to change at line 3284 skipping to change at line 3287
&lt;https://www.rfc-editor.org/info/rfc6673&gt;. &lt;https://www.rfc-editor.org/info/rfc6673&gt;.
<span>[<a href="#RFC6673" class="xref">RFC6673</a>]</span><a href="#se ction-6.2.1-8" class="pilcrow">¶</a></p> <span>[<a href="#RFC6673" class="xref">RFC6673</a>]</span><a href="#se ction-6.2.1-8" class="pilcrow">¶</a></p>
<p style="margin-left: 1.5em" id="section-6.2.1-9">Both response time and Loss m etrics employ a maximum waiting time <p style="margin-left: 1.5em" id="section-6.2.1-9">Both response time and Loss m etrics employ a maximum waiting time
for received responses, so the count of lost packets to total for received responses, so the count of lost packets to total
packets sent is the basis for the loss determination as per <span><a h ref="https://www.rfc-editor.org/rfc/rfc6673#section-4.3" class="relref">Section 4.3</a> of [<a href="#RFC6673" class="xref">RFC6673</a>]</span>.<a href="#sectio n-6.2.1-9" class="pilcrow">¶</a></p> packets sent is the basis for the loss determination as per <span><a h ref="https://www.rfc-editor.org/rfc/rfc6673#section-4.3" class="relref">Section 4.3</a> of [<a href="#RFC6673" class="xref">RFC6673</a>]</span>.<a href="#sectio n-6.2.1-9" class="pilcrow">¶</a></p>
</section> </section>
<section id="section-6.2.2"> <section id="section-6.2.2">
<h4 id="name-fixed-parameters-3"> <h4 id="name-fixed-parameters-3">
<a href="#section-6.2.2" class="section-number selfRef">6.2.2. </a><a href="#nam e-fixed-parameters-3" class="section-name selfRef">Fixed Parameters</a> <a href="#section-6.2.2" class="section-number selfRef">6.2.2. </a><a href="#nam e-fixed-parameters-3" class="section-name selfRef">Fixed Parameters</a>
</h4> </h4>
<span class="break"></span><dl class="dlParallel" id="section-6.2.2-1"> <span class="break"></span><dl class="dlNewline" id="section-6.2.2-1">
<dt id="section-6.2.2-1.1">Type-P:</dt> <dt id="section-6.2.2-1.1">Type-P as defined in <span><a href="https
://www.rfc-editor.org/rfc/rfc2330#section-13" class="relref">Section 13</a> of [
<a href="#RFC2330" class="xref">RFC2330</a>]</span>:</dt>
<dd style="margin-left: 1.5em" id="section-6.2.2-1.2"> <dd style="margin-left: 1.5em" id="section-6.2.2-1.2">
<p id="section-6.2.2-1.2.1">As defined in <span><a href="https://w ww.rfc-editor.org/rfc/rfc2330#section-13" class="relref">Section 13</a> of [<a h ref="#RFC2330" class="xref">RFC2330</a>]</span>:<a href="#section-6.2.2-1.2.1" c lass="pilcrow">¶</a></p> <p id="section-6.2.2-1.2.1"></p>
<span class="break"></span><dl class="dlNewline" id="section-6.2.2-1.2.2"> <span class="break"></span><dl class="dlNewline" id="section-6.2.2-1.2.2">
<dt id="section-6.2.2-1.2.2.1">IPv4 header values:</dt> <dt id="section-6.2.2-1.2.2.1">IPv4 header values:</dt>
<dd style="margin-left: 1.5em" id="section-6.2.2-1.2.2.2"> <dd style="margin-left: 1.5em" id="section-6.2.2-1.2.2.2">
<p id="section-6.2.2-1.2.2.2.1"></p> <p id="section-6.2.2-1.2.2.2.1"></p>
<span class="break"></span><dl class="dlParallel dlCompact" id="section-6.2.2-1. 2.2.2.2"> <span class="break"></span><dl class="dlParallel dlCompact" id="section-6.2.2-1. 2.2.2.2">
<dt id="section-6.2.2-1.2.2.2.2.1">DSCP:</dt> <dt id="section-6.2.2-1.2.2.2.2.1">DSCP:</dt>
<dd style="margin-left: 1.5em" id="section-6.2.2-1.2.2.2.2.2 ">Set to 0<a href="#section-6.2.2-1.2.2.2.2.2" class="pilcrow">¶</a> <dd style="margin-left: 1.5em" id="section-6.2.2-1.2.2.2.2.2 ">Set to 0<a href="#section-6.2.2-1.2.2.2.2.2" class="pilcrow">¶</a>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="section-6.2.2-1.2.2.2.2.3">TTL:</dt> <dt id="section-6.2.2-1.2.2.2.2.3">TTL:</dt>
skipping to change at line 4023 skipping to change at line 4026
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
<span class="break"></span><dl class="dlParallel" id="section-7.2.2-1.2.5"> <span class="break"></span><dl class="dlParallel" id="section-7.2.2-1.2.5">
<dt id="section-7.2.2-1.2.5.1">UDP Payload:</dt> <dt id="section-7.2.2-1.2.5.1">UDP Payload:</dt>
<dd style="margin-left: 1.5em" id="section-7.2.2-1.2.5.2"> <dd style="margin-left: 1.5em" id="section-7.2.2-1.2.5.2">
<p id="section-7.2.2-1.2.5.2.1">TWAMP-Test packet formats (<sp an><a href="https://www.rfc-editor.org/rfc/rfc5357#section-4.1.2" class="relref" >Section 4.1.2</a> of [<a href="#RFC5357" class="xref">RFC5357</a>]</span>)<a hr ef="#section-7.2.2-1.2.5.2.1" class="pilcrow">¶</a></p> <p id="section-7.2.2-1.2.5.2.1">TWAMP-Test packet formats (<sp an><a href="https://www.rfc-editor.org/rfc/rfc5357#section-4.1.2" class="relref" >Section 4.1.2</a> of [<a href="#RFC5357" class="xref">RFC5357</a>]</span>)<a hr ef="#section-7.2.2-1.2.5.2.1" class="pilcrow">¶</a></p>
<ul class="normal ulEmpty"> <ul class="ulEmpty normal">
<li class="normal ulEmpty" id="section-7.2.2-1.2.5.2.2.1">Security features in u <li class="ulEmpty normal" id="section-7.2.2-1.2.5.2.2.1">Security features in u
se influence the number of Padding se influence the number of Padding
octets<a href="#section-7.2.2-1.2.5.2.2.1" class="pilcrow">¶</ a> octets<a href="#section-7.2.2-1.2.5.2.2.1" class="pilcrow">¶</ a>
</li> </li>
<li class="normal ulEmpty" id="section-7.2.2-1.2.5.2.2.2">25 0 octets total, including the TWAMP format type, which <li class="ulEmpty normal" id="section-7.2.2-1.2.5.2.2.2">25 0 octets total, including the TWAMP format type, which
<span class="bcp14">MUST</span> be reported<a href="#section-7 .2.2-1.2.5.2.2.2" class="pilcrow">¶</a> <span class="bcp14">MUST</span> be reported<a href="#section-7 .2.2-1.2.5.2.2.2" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
<span class="break"></span><dl class="dlNewline" id="section-7.2.2-2"> <span class="break"></span><dl class="dlNewline" id="section-7.2.2-2">
skipping to change at line 4338 skipping to change at line 4341
conditional distribution to exclude undefined values of delay, and conditional distribution to exclude undefined values of delay, and
see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this
analysis choice.<a href="#section-7.4.2.4-2" class="pilcrow">¶</a></ p> analysis choice.<a href="#section-7.4.2.4-2" class="pilcrow">¶</a></ p>
<p id="section-7.4.2.4-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc6 049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" class ="xref">RFC6049</a>]</span> for a closely <p id="section-7.4.2.4-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc6 049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" class ="xref">RFC6049</a>]</span> for a closely
related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-7.4.2.4-3" class="pilcrow">¶</a></p> related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-7.4.2.4-3" class="pilcrow">¶</a></p>
<div class="artwork art-text alignLeft" id="section-7.4.2.4-4"> <div class="artwork art-text alignLeft" id="section-7.4.2.4-4">
<pre> <pre>
Max = (FiniteDelay[j]) Max = (FiniteDelay[j])
</pre><a href="#section-7.4.2.4-4" class="pilcrow">¶</a> </pre><a href="#section-7.4.2.4-4" class="pilcrow">¶</a>
</div> </div>
<ul class="normal ulEmpty"> <ul class="ulEmpty normal">
<li class="normal ulEmpty" id="section-7.4.2.4-5.1">such that for some index, j, <li class="ulEmpty normal" id="section-7.4.2.4-5.1">such that for some index, j,
where 1 &lt;= j &lt;= N where 1 &lt;= j &lt;= N
FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-7.4.2.4- 5.1" class="pilcrow">¶</a> FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-7.4.2.4- 5.1" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
<span class="break"></span><dl class="dlParallel" id="section-7.4.2.4-6"> <span class="break"></span><dl class="dlParallel" id="section-7.4.2.4-6">
<dt id="section-7.4.2.4-6.1">Max:</dt> <dt id="section-7.4.2.4-6.1">Max:</dt>
<dd style="margin-left: 1.5em" id="section-7.4.2.4-6.2">The time v alue of the result is expressed in <dd style="margin-left: 1.5em" id="section-7.4.2.4-6.2">The time v alue of the result is expressed in
units of seconds, as a positive value of type decimal64 with units of seconds, as a positive value of type decimal64 with
fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds
(1.0 ns), and with lossless conversion to/from the 64-bit NTP (1.0 ns), and with lossless conversion to/from the 64-bit NTP
timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-7.4.2.4-6.2" class="pilcrow">¶</a> timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-7.4.2.4-6.2" class="pilcrow">¶</a>
skipping to change at line 4730 skipping to change at line 4733
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
<span class="break"></span><dl class="dlParallel" id="section-8.2.2-1.2.5"> <span class="break"></span><dl class="dlParallel" id="section-8.2.2-1.2.5">
<dt id="section-8.2.2-1.2.5.1">UDP Payload:</dt> <dt id="section-8.2.2-1.2.5.1">UDP Payload:</dt>
<dd style="margin-left: 1.5em" id="section-8.2.2-1.2.5.2"> <dd style="margin-left: 1.5em" id="section-8.2.2-1.2.5.2">
<p id="section-8.2.2-1.2.5.2.1">TWAMP-Test packet formats (<sp an><a href="https://www.rfc-editor.org/rfc/rfc5357#section-4.1.2" class="relref" >Section 4.1.2</a> of [<a href="#RFC5357" class="xref">RFC5357</a>]</span>)<a hr ef="#section-8.2.2-1.2.5.2.1" class="pilcrow">¶</a></p> <p id="section-8.2.2-1.2.5.2.1">TWAMP-Test packet formats (<sp an><a href="https://www.rfc-editor.org/rfc/rfc5357#section-4.1.2" class="relref" >Section 4.1.2</a> of [<a href="#RFC5357" class="xref">RFC5357</a>]</span>)<a hr ef="#section-8.2.2-1.2.5.2.1" class="pilcrow">¶</a></p>
<ul class="normal ulEmpty"> <ul class="ulEmpty normal">
<li class="normal ulEmpty" id="section-8.2.2-1.2.5.2.2.1">Security features in u <li class="ulEmpty normal" id="section-8.2.2-1.2.5.2.2.1">Security features in u
se influence the number of Padding se influence the number of Padding
octets<a href="#section-8.2.2-1.2.5.2.2.1" class="pilcrow">¶</a> octets<a href="#section-8.2.2-1.2.5.2.2.1" class="pilcrow">¶</a>
</li> </li>
<li class="normal ulEmpty" id="section-8.2.2-1.2.5.2.2.2">14 2 octets total, including the TWAMP format (and format <li class="ulEmpty normal" id="section-8.2.2-1.2.5.2.2.2">14 2 octets total, including the TWAMP format (and format
type <span class="bcp14">MUST</span> be reported, if used)<a href= "#section-8.2.2-1.2.5.2.2.2" class="pilcrow">¶</a> type <span class="bcp14">MUST</span> be reported, if used)<a href= "#section-8.2.2-1.2.5.2.2.2" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
<span class="break"></span><dl class="dlNewline" id="section-8.2.2-2"> <span class="break"></span><dl class="dlNewline" id="section-8.2.2-2">
skipping to change at line 5047 skipping to change at line 5050
conditional distribution to exclude undefined values of delay, and conditional distribution to exclude undefined values of delay, and
see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this
analysis choice.<a href="#section-8.4.2.4-2" class="pilcrow">¶</a></ p> analysis choice.<a href="#section-8.4.2.4-2" class="pilcrow">¶</a></ p>
<p id="section-8.4.2.4-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc6 049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" class ="xref">RFC6049</a>]</span> for a closely <p id="section-8.4.2.4-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc6 049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" class ="xref">RFC6049</a>]</span> for a closely
related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-8.4.2.4-3" class="pilcrow">¶</a></p> related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-8.4.2.4-3" class="pilcrow">¶</a></p>
<div class="artwork art-text alignLeft" id="section-8.4.2.4-4"> <div class="artwork art-text alignLeft" id="section-8.4.2.4-4">
<pre> <pre>
Max = (FiniteDelay[j]) Max = (FiniteDelay[j])
</pre><a href="#section-8.4.2.4-4" class="pilcrow">¶</a> </pre><a href="#section-8.4.2.4-4" class="pilcrow">¶</a>
</div> </div>
<ul class="normal ulEmpty"> <ul class="ulEmpty normal">
<li class="normal ulEmpty" id="section-8.4.2.4-5.1">such that for some index, j, <li class="ulEmpty normal" id="section-8.4.2.4-5.1">such that for some index, j,
where 1 &lt;= j &lt;= N where 1 &lt;= j &lt;= N
FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-8.4.2.4-5 .1" class="pilcrow">¶</a> FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-8.4.2.4-5 .1" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
<span class="break"></span><dl class="dlParallel" id="section-8.4.2.4-6"> <span class="break"></span><dl class="dlParallel" id="section-8.4.2.4-6">
<dt id="section-8.4.2.4-6.1">Max:</dt> <dt id="section-8.4.2.4-6.1">Max:</dt>
<dd style="margin-left: 1.5em" id="section-8.4.2.4-6.2">The time v alue of the result is expressed in <dd style="margin-left: 1.5em" id="section-8.4.2.4-6.2">The time v alue of the result is expressed in
units of seconds, as a positive value of type decimal64 with units of seconds, as a positive value of type decimal64 with
fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds
(1.0 ns), and with lossless conversion to/from the 64-bit NTP (1.0 ns), and with lossless conversion to/from the 64-bit NTP
timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-8.4.2.4-6.2" class="pilcrow">¶</a> timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-8.4.2.4-6.2" class="pilcrow">¶</a>
skipping to change at line 5369 skipping to change at line 5372
<span>[<a href="#RFC6673" class="xref">RFC6673</a>]</span><a href="#se ction-9.2.1-5" class="pilcrow">¶</a></p> <span>[<a href="#RFC6673" class="xref">RFC6673</a>]</span><a href="#se ction-9.2.1-5" class="pilcrow">¶</a></p>
<p id="section-9.2.1-6">Both Delay and Loss metrics employ a maximum waiting tim e for <p id="section-9.2.1-6">Both Delay and Loss metrics employ a maximum waiting tim e for
received packets, so the count of lost packets to total packets sent received packets, so the count of lost packets to total packets sent
is the basis for the loss ratio calculation as per <span><a href="http s://www.rfc-editor.org/rfc/rfc6673#section-6.1" class="relref">Section 6.1</a> o f [<a href="#RFC6673" class="xref">RFC6673</a>]</span>.<a href="#section-9.2.1-6 " class="pilcrow">¶</a></p> is the basis for the loss ratio calculation as per <span><a href="http s://www.rfc-editor.org/rfc/rfc6673#section-6.1" class="relref">Section 6.1</a> o f [<a href="#RFC6673" class="xref">RFC6673</a>]</span>.<a href="#section-9.2.1-6 " class="pilcrow">¶</a></p>
</section> </section>
<section id="section-9.2.2"> <section id="section-9.2.2">
<h4 id="name-fixed-parameters-6"> <h4 id="name-fixed-parameters-6">
<a href="#section-9.2.2" class="section-number selfRef">9.2.2. </a><a href="#nam e-fixed-parameters-6" class="section-name selfRef">Fixed Parameters</a> <a href="#section-9.2.2" class="section-number selfRef">9.2.2. </a><a href="#nam e-fixed-parameters-6" class="section-name selfRef">Fixed Parameters</a>
</h4> </h4>
<span class="break"></span><dl class="dlNewline" id="section-9.2.2-1"> <span class="break"></span><dl class="dlNewline" id="section-9.2.2-1">
<dt id="section-9.2.2-1.1">Type-P:</dt> <dt id="section-9.2.2-1.1">Type-P as defined in <span><a href="https ://www.rfc-editor.org/rfc/rfc2330#section-13" class="relref">Section 13</a> of [ <a href="#RFC2330" class="xref">RFC2330</a>]</span>:</dt>
<dd style="margin-left: 1.5em" id="section-9.2.2-1.2"> <dd style="margin-left: 1.5em" id="section-9.2.2-1.2">
<p id="section-9.2.2-1.2.1">As defined in <span><a href="https://w ww.rfc-editor.org/rfc/rfc2330#section-13" class="relref">Section 13</a> of [<a h ref="#RFC2330" class="xref">RFC2330</a>]</span>:<a href="#section-9.2.2-1.2.1" c lass="pilcrow">¶</a></p> <p id="section-9.2.2-1.2.1"></p>
<span class="break"></span><dl class="dlNewline" id="section-9.2.2-1.2.2"> <span class="break"></span><dl class="dlNewline" id="section-9.2.2-1.2.2">
<dt id="section-9.2.2-1.2.2.1">IPv4 header values:</dt> <dt id="section-9.2.2-1.2.2.1">IPv4 header values:</dt>
<dd style="margin-left: 1.5em" id="section-9.2.2-1.2.2.2"> <dd style="margin-left: 1.5em" id="section-9.2.2-1.2.2.2">
<p id="section-9.2.2-1.2.2.2.1"></p> <p id="section-9.2.2-1.2.2.2.1"></p>
<span class="break"></span><dl class="dlParallel dlCompact" id="section-9.2.2-1. 2.2.2.2"> <span class="break"></span><dl class="dlParallel dlCompact" id="section-9.2.2-1. 2.2.2.2">
<dt id="section-9.2.2-1.2.2.2.2.1">DSCP:</dt> <dt id="section-9.2.2-1.2.2.2.2.1">DSCP:</dt>
<dd style="margin-left: 1.5em" id="section-9.2.2-1.2.2.2.2.2 ">Set to 0<a href="#section-9.2.2-1.2.2.2.2.2" class="pilcrow">¶</a> <dd style="margin-left: 1.5em" id="section-9.2.2-1.2.2.2.2.2 ">Set to 0<a href="#section-9.2.2-1.2.2.2.2.2" class="pilcrow">¶</a>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="section-9.2.2-1.2.2.2.2.3">TTL:</dt> <dt id="section-9.2.2-1.2.2.2.2.3">TTL:</dt>
skipping to change at line 5733 skipping to change at line 5736
conditional distribution to exclude undefined values of delay, and conditional distribution to exclude undefined values of delay, and
see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this
analysis choice.<a href="#section-9.4.2.3-2" class="pilcrow">¶</a></ p> analysis choice.<a href="#section-9.4.2.3-2" class="pilcrow">¶</a></ p>
<p id="section-9.4.2.3-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc6 049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" class ="xref">RFC6049</a>]</span> for a closely <p id="section-9.4.2.3-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc6 049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" class ="xref">RFC6049</a>]</span> for a closely
related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-9.4.2.3-3" class="pilcrow">¶</a></p> related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-9.4.2.3-3" class="pilcrow">¶</a></p>
<div class="artwork art-text alignLeft" id="section-9.4.2.3-4"> <div class="artwork art-text alignLeft" id="section-9.4.2.3-4">
<pre> <pre>
Max = (FiniteDelay[j]) Max = (FiniteDelay[j])
</pre><a href="#section-9.4.2.3-4" class="pilcrow">¶</a> </pre><a href="#section-9.4.2.3-4" class="pilcrow">¶</a>
</div> </div>
<ul class="normal ulEmpty"> <ul class="ulEmpty normal">
<li class="normal ulEmpty" id="section-9.4.2.3-5.1">such that for some index, j, <li class="ulEmpty normal" id="section-9.4.2.3-5.1">such that for some index, j,
where 1 &lt;= j &lt;= N where 1 &lt;= j &lt;= N
FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-9.4.2.3-5 .1" class="pilcrow">¶</a> FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-9.4.2.3-5 .1" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
<span class="break"></span><dl class="dlParallel" id="section-9.4.2.3-6"> <span class="break"></span><dl class="dlParallel" id="section-9.4.2.3-6">
<dt id="section-9.4.2.3-6.1">Max:</dt> <dt id="section-9.4.2.3-6.1">Max:</dt>
<dd style="margin-left: 1.5em" id="section-9.4.2.3-6.2">The time v alue of the result is expressed in <dd style="margin-left: 1.5em" id="section-9.4.2.3-6.2">The time v alue of the result is expressed in
units of seconds, as a positive value of type decimal64 with units of seconds, as a positive value of type decimal64 with
fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds
(1.0 ns), and with lossless conversion to/from the 64-bit NTP (1.0 ns), and with lossless conversion to/from the 64-bit NTP
timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-9.4.2.3-6.2" class="pilcrow">¶</a> timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-9.4.2.3-6.2" class="pilcrow">¶</a>
skipping to change at line 5904 skipping to change at line 5907
</section> </section>
</div> </div>
<section id="section-10.1.3"> <section id="section-10.1.3">
<h4 id="name-uri-7"> <h4 id="name-uri-7">
<a href="#section-10.1.3" class="section-number selfRef">10.1.3. </a><a href="#n ame-uri-7" class="section-name selfRef">URI</a> <a href="#section-10.1.3" class="section-number selfRef">10.1.3. </a><a href="#n ame-uri-7" class="section-name selfRef">URI</a>
</h4> </h4>
<p id="section-10.1.3-1">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Mean">https://www.iana.org/per formance-metrics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Mean</a></span><a h ref="#section-10.1.3-1" class="pilcrow">¶</a></p> <p id="section-10.1.3-1">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Mean">https://www.iana.org/per formance-metrics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Mean</a></span><a h ref="#section-10.1.3-1" class="pilcrow">¶</a></p>
<p id="section-10.1.3-2">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Min">https://www.iana.org/perf ormance-metrics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Min</a></span><a hre f="#section-10.1.3-2" class="pilcrow">¶</a></p> <p id="section-10.1.3-2">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Min">https://www.iana.org/perf ormance-metrics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Min</a></span><a hre f="#section-10.1.3-2" class="pilcrow">¶</a></p>
<p id="section-10.1.3-3">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Max">https://www.iana.org/perf ormance-metrics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Max</a></span><a hre f="#section-10.1.3-3" class="pilcrow">¶</a></p> <p id="section-10.1.3-3">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Max">https://www.iana.org/perf ormance-metrics/RTDelay_Passive_IP-TCP_RFC8912sec10_Seconds_Max</a></span><a hre f="#section-10.1.3-3" class="pilcrow">¶</a></p>
<p id="section-10.1.3-4">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP-HS_RFC8912sec10_Seconds_Singleton">https://www.iana .org/performance-metrics/RTDelay_Passive_IP-TCP-HS_RFC8912sec10_Seconds_Singleto n</a></span><a href="#section-10.1.3-4" class="pilcrow">¶</a></p> <p id="section-10.1.3-4">URL: <span><a href="https://www.iana.org/performance-me trics/RTDelay_Passive_IP-TCP-HS_RFC8912sec10_Seconds_Singleton">https://www.iana .org/performance-metrics/RTDelay_Passive_IP-TCP-HS_RFC8912sec10_Seconds_Singleto n</a></span><a href="#section-10.1.3-4" class="pilcrow">¶</a></p>
<p id="section-10.1.3-5">URL: <span><a href="https://www.iana.org/performance-me trics/RTLoss_Passive_IP-TCP_RFC8912sec10_Packet_Count">https://www.iana.org/perf ormance-metrics/RTLoss_Passive_IP-TCP_RFC8912sec10_Packet_Count</a></span><a hre f="#section-10.1.3-5" class="pilcrow">¶</a></p>
</section> </section>
<section id="section-10.1.4"> <section id="section-10.1.4">
<h4 id="name-description-7"> <h4 id="name-description-7">
<a href="#section-10.1.4" class="section-number selfRef">10.1.4. </a><a href="#n ame-description-7" class="section-name selfRef">Description</a> <a href="#section-10.1.4" class="section-number selfRef">10.1.4. </a><a href="#n ame-description-7" class="section-name selfRef">Description</a>
</h4> </h4>
<span class="break"></span><dl class="dlParallel" id="section-10.1.4-1"> <span class="break"></span><dl class="dlParallel" id="section-10.1.4-1">
<dt id="section-10.1.4-1.1">RTDelay:</dt> <dt id="section-10.1.4-1.1">RTDelay:</dt>
<dd style="margin-left: 1.5em" id="section-10.1.4-1.2"> <dd style="margin-left: 1.5em" id="section-10.1.4-1.2">
<p id="section-10.1.4-1.2.1">This metric assesses the round-trip d elay of TCP packets <p id="section-10.1.4-1.2.1">This metric assesses the round-trip d elay of TCP packets
constituting a single connection, exchanged between two hosts. We constituting a single connection, exchanged between two hosts. We
skipping to change at line 5929 skipping to change at line 5933
<ul class="normal"> <ul class="normal">
<li class="normal" id="section-10.1.4-1.2.2.1">Mean<a href="#section-10.1.4-1.2. 2.1" class="pilcrow">¶</a> <li class="normal" id="section-10.1.4-1.2.2.1">Mean<a href="#section-10.1.4-1.2. 2.1" class="pilcrow">¶</a>
</li> </li>
<li class="normal" id="section-10.1.4-1.2.2.2">Min<a href="#sect ion-10.1.4-1.2.2.2" class="pilcrow">¶</a> <li class="normal" id="section-10.1.4-1.2.2.2">Min<a href="#sect ion-10.1.4-1.2.2.2" class="pilcrow">¶</a>
</li> </li>
<li class="normal" id="section-10.1.4-1.2.2.3">Max<a href="#sect ion-10.1.4-1.2.2.3" class="pilcrow">¶</a> <li class="normal" id="section-10.1.4-1.2.2.3">Max<a href="#sect ion-10.1.4-1.2.2.3" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="section-10.1.4-1.3">RTLoss:</dt> <dt id="section-10.1.4-1.3">RTDelay Singleton:</dt>
<dd style="margin-left: 1.5em" id="section-10.1.4-1.4">This metric a <dd style="margin-left: 1.5em" id="section-10.1.4-1.4">
ssesses the estimated loss count for TCP <p id="section-10.1.4-1.4.1">This metric assesses the round-trip d
elay of TCP packets
constituting a single connection, exchanged between two hosts. We
consider the measurement of round-trip delay based on a single
Observation Point (OP) <span>[<a href="#RFC7011" class="xref">RFC7011</a>]<
/span> somewhere in the network. The
output is the single measurement of Round-trip delay, or Singleton.<a href=
"#section-10.1.4-1.4.1" class="pilcrow">¶</a></p>
</dd>
<dd class="break"></dd>
<dt id="section-10.1.4-1.5">RTLoss:</dt>
<dd style="margin-left: 1.5em" id="section-10.1.4-1.6">This metric a
ssesses the estimated loss count for TCP
packets constituting a single connection, exchanged between two packets constituting a single connection, exchanged between two
hosts. We consider the measurement of round-trip delay based on a hosts. We consider the measurement of round-trip delay based on a
single OP <span>[<a href="#RFC7011" class="xref">RFC7011</a>]</span> s omewhere in the single OP <span>[<a href="#RFC7011" class="xref">RFC7011</a>]</span> s omewhere in the
network. The output is the estimated loss count for the measurement network. The output is the estimated loss count for the measurement
interval.<a href="#section-10.1.4-1.4" class="pilcrow">¶</a> interval.<a href="#section-10.1.4-1.6" class="pilcrow">¶</a>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</section> </section>
<section id="section-10.1.5"> <section id="section-10.1.5">
<h4 id="name-change-controller-7"> <h4 id="name-change-controller-7">
<a href="#section-10.1.5" class="section-number selfRef">10.1.5. </a><a href="#n ame-change-controller-7" class="section-name selfRef">Change Controller</a> <a href="#section-10.1.5" class="section-number selfRef">10.1.5. </a><a href="#n ame-change-controller-7" class="section-name selfRef">Change Controller</a>
</h4> </h4>
<p id="section-10.1.5-1">IETF<a href="#section-10.1.5-1" class="pilcrow">¶</a></ p> <p id="section-10.1.5-1">IETF<a href="#section-10.1.5-1" class="pilcrow">¶</a></ p>
</section> </section>
skipping to change at line 5981 skipping to change at line 5994
<p id="section-10.2.1-3">This metric definition uses the terms "singleton" and " sample" as <p id="section-10.2.1-3">This metric definition uses the terms "singleton" and " sample" as
defined in <span><a href="https://www.rfc-editor.org/rfc/rfc2330#secti on-11" class="relref">Section 11</a> of [<a href="#RFC2330" class="xref">RFC2330 </a>]</span>. defined in <span><a href="https://www.rfc-editor.org/rfc/rfc2330#secti on-11" class="relref">Section 11</a> of [<a href="#RFC2330" class="xref">RFC2330 </a>]</span>.
(<span><a href="https://www.rfc-editor.org/rfc/rfc2681#section-2.4" class="relr ef">Section 2.4</a> of [<a href="#RFC2681" class="xref">RFC2681</a>]</span> (<span><a href="https://www.rfc-editor.org/rfc/rfc2681#section-2.4" class="relr ef">Section 2.4</a> of [<a href="#RFC2681" class="xref">RFC2681</a>]</span>
provides the reference definition of the provides the reference definition of the
singleton (single value) round-trip delay metric. <span><a href="https ://www.rfc-editor.org/rfc/rfc2681#section-3.4" class="relref">Section 3.4</a> of [<a href="#RFC2681" class="xref">RFC2681</a>]</span> provides the reference def inition expanded singleton (single value) round-trip delay metric. <span><a href="https ://www.rfc-editor.org/rfc/rfc2681#section-3.4" class="relref">Section 3.4</a> of [<a href="#RFC2681" class="xref">RFC2681</a>]</span> provides the reference def inition expanded
to cover a multi-singleton sample.)<a href="#section-10.2.1-3" class=" pilcrow">¶</a></p> to cover a multi-singleton sample.)<a href="#section-10.2.1-3" class=" pilcrow">¶</a></p>
<p id="section-10.2.1-4">With the OP <span>[<a href="#RFC7011" class="xref">RFC7 011</a>]</span> <p id="section-10.2.1-4">With the OP <span>[<a href="#RFC7011" class="xref">RFC7 011</a>]</span>
typically located between the hosts participating in the TCP typically located between the hosts participating in the TCP
connection, the round-trip delay metric requires two individual connection, the round-trip delay metric requires two individual
measurements between the OP and each host, such that the Spatial measurements between the OP and each host, such that the Spatial
Composition <span>[<a href="#RFC6049" class="xref">RFC6049</a>]</span> of the measurements yields a Composition <span>[<a href="#RFC6049" class="xref">RFC6049</a>]</span> of the measurements yields a
round-trip delay singleton (we are extending the composition of round-trip delay singleton (we are extending the composition of
one-way subpath delays to subpath round-trip delay).<a href="#section- 10.2.1-4" class="pilcrow">¶</a></p> one-way subpath delays to subpath round-trip delay).<a href="#section- 10.2.1-4" class="pilcrow">¶</a></p>
<p id="section-10.2.1-5">Using the direction of TCP SYN transmission to anchor t he <p id="section-10.2.1-5">Using the direction of TCP SYN transmission to anchor t he
nomenclature, host A sends the SYN, and host B replies with SYN-ACK nomenclature, host A sends the SYN, and host B replies with SYN-ACK
during connection establishment. The direction of SYN transfer is during connection establishment. The direction of SYN transfer is
considered the Forward direction of transmission, from A through the O P considered the Forward direction of transmission, from A through the O P
to B (the Reverse direction is B through the OP to A).<a href="#sectio n-10.2.1-5" class="pilcrow">¶</a></p> to B (the Reverse direction is B through the OP to A).<a href="#sectio n-10.2.1-5" class="pilcrow">¶</a></p>
<p id="section-10.2.1-6">Traffic Filters reduce the packet stream at the OP to a Qualified <p id="section-10.2.1-6">Traffic Filters reduce the packet stream at the OP to a Qualified
bidirectional flow of packets.<a href="#section-10.2.1-6" class="pilcr ow">¶</a></p> bidirectional flow of packets.<a href="#section-10.2.1-6" class="pilcr ow">¶</a></p>
<p id="section-10.2.1-7">In the definitions below, Corresponding Packets are tra nsferred <p id="section-10.2.1-7">In the definitions below, Corresponding Packets are tra nsferred
skipping to change at line 6066 skipping to change at line 6079
Reverse direction are defined as RTL_rev.<a href="#section-10.2.1-21" class="pilcrow">¶</a></p> Reverse direction are defined as RTL_rev.<a href="#section-10.2.1-21" class="pilcrow">¶</a></p>
<p id="section-10.2.1-22">For a measurement interval (corresponding to a single TCP <p id="section-10.2.1-22">For a measurement interval (corresponding to a single TCP
connection) T0 to Tf, the <span class="bcp14">REQUIRED</span> Composit ion Function for the connection) T0 to Tf, the <span class="bcp14">REQUIRED</span> Composit ion Function for the
two single-direction counts of inferred loss is:<a href="#section-10.2 .1-22" class="pilcrow">¶</a></p> two single-direction counts of inferred loss is:<a href="#section-10.2 .1-22" class="pilcrow">¶</a></p>
<p id="section-10.2.1-23">RTLoss = RTL_fwd + RTL_rev<a href="#section-10.2.1-23" class="pilcrow">¶</a></p> <p id="section-10.2.1-23">RTLoss = RTL_fwd + RTL_rev<a href="#section-10.2.1-23" class="pilcrow">¶</a></p>
</section> </section>
<section id="section-10.2.2"> <section id="section-10.2.2">
<h4 id="name-fixed-parameters-7"> <h4 id="name-fixed-parameters-7">
<a href="#section-10.2.2" class="section-number selfRef">10.2.2. </a><a href="#n ame-fixed-parameters-7" class="section-name selfRef">Fixed Parameters</a> <a href="#section-10.2.2" class="section-number selfRef">10.2.2. </a><a href="#n ame-fixed-parameters-7" class="section-name selfRef">Fixed Parameters</a>
</h4> </h4>
<span class="break"></span><dl class="dlParallel" id="section-10.2.2-1"> <span class="break"></span><dl class="dlNewline" id="section-10.2.2-1">
<dt id="section-10.2.2-1.1">Traffic Filters:</dt> <dt id="section-10.2.2-1.1">Traffic Filters:</dt>
<dd style="margin-left: 1.5em" id="section-10.2.2-1.2"> <dd style="margin-left: 1.5em" id="section-10.2.2-1.2">
<p id="section-10.2.2-1.2.1"></p> <p id="section-10.2.2-1.2.1"></p>
<span class="break"></span><dl class="dlNewline" id="section-10.2.2-1.2.2"> <span class="break"></span><dl class="dlNewline" id="section-10.2.2-1.2.2">
<dt id="section-10.2.2-1.2.2.1">IPv4 header values:</dt> <dt id="section-10.2.2-1.2.2.1">IPv4 header values:</dt>
<dd style="margin-left: 1.5em" id="section-10.2.2-1.2.2.2"> <dd style="margin-left: 1.5em" id="section-10.2.2-1.2.2.2">
<p id="section-10.2.2-1.2.2.2.1"></p> <p id="section-10.2.2-1.2.2.2.1"></p>
<span class="break"></span><dl class="dlParallel dlCompact" id="section-10.2.2-1 .2.2.2.2"> <span class="break"></span><dl class="dlParallel dlCompact" id="section-10.2.2-1 .2.2.2.2">
<dt id="section-10.2.2-1.2.2.2.2.1">DSCP:</dt> <dt id="section-10.2.2-1.2.2.2.2.1">DSCP:</dt>
<dd style="margin-left: 1.5em" id="section-10.2.2-1.2.2.2.2. 2">Set to 0<a href="#section-10.2.2-1.2.2.2.2.2" class="pilcrow">¶</a> <dd style="margin-left: 1.5em" id="section-10.2.2-1.2.2.2.2. 2">Set to 0<a href="#section-10.2.2-1.2.2.2.2.2" class="pilcrow">¶</a>
skipping to change at line 6145 skipping to change at line 6158
</dl> </dl>
</section> </section>
</section> </section>
<section id="section-10.3"> <section id="section-10.3">
<h3 id="name-method-of-measurement-7"> <h3 id="name-method-of-measurement-7">
<a href="#section-10.3" class="section-number selfRef">10.3. </a><a href="#name- method-of-measurement-7" class="section-name selfRef">Method of Measurement</a> <a href="#section-10.3" class="section-number selfRef">10.3. </a><a href="#name- method-of-measurement-7" class="section-name selfRef">Method of Measurement</a>
</h3> </h3>
<p id="section-10.3-1">This category includes columns for references to relevant sections <p id="section-10.3-1">This category includes columns for references to relevant sections
of the RFC(s) and any supplemental information needed to ensure of the RFC(s) and any supplemental information needed to ensure
an unambiguous method for implementations.<a href="#section-10.3-1" clas s="pilcrow">¶</a></p> an unambiguous method for implementations.<a href="#section-10.3-1" clas s="pilcrow">¶</a></p>
<div id="ref-methods-10.3.1">
<section id="section-10.3.1"> <section id="section-10.3.1">
<h4 id="name-reference-methods-7"> <h4 id="name-reference-methods-7">
<a href="#section-10.3.1" class="section-number selfRef">10.3.1. </a><a href="#n ame-reference-methods-7" class="section-name selfRef">Reference Methods</a> <a href="#section-10.3.1" class="section-number selfRef">10.3.1. </a><a href="#n ame-reference-methods-7" class="section-name selfRef">Reference Methods</a>
</h4> </h4>
<p id="section-10.3.1-1">The foundational methodology for this metric is defined in <span><a href="https://www.rfc-editor.org/rfc/rfc7323#section-4" class="relr ef">Section 4</a> of [<a href="#RFC7323" class="xref">RFC7323</a>]</span> using the Timestamps option with <p id="section-10.3.1-1">The foundational methodology for this metric is defined in <span><a href="https://www.rfc-editor.org/rfc/rfc7323#section-4" class="relr ef">Section 4</a> of [<a href="#RFC7323" class="xref">RFC7323</a>]</span> using the Timestamps option with
modifications that allow application at a mid-path OP <span>[<a href=" #RFC7011" class="xref">RFC7011</a>]</span>. Further details and applicable modifications that allow application at a mid-path OP <span>[<a href=" #RFC7011" class="xref">RFC7011</a>]</span>. Further details and applicable
heuristics were derived from <span>[<a href="#Strowes" class="xref">St rowes</a>]</span> and <span>[<a href="#Trammell-14" class="xref">Trammell-14</a> ]</span>.<a href="#section-10.3.1-1" class="pilcrow">¶</a></p> heuristics were derived from <span>[<a href="#Strowes" class="xref">St rowes</a>]</span> and <span>[<a href="#Trammell-14" class="xref">Trammell-14</a> ]</span>.<a href="#section-10.3.1-1" class="pilcrow">¶</a></p>
<p id="section-10.3.1-2">The Traffic Filter at the OP is configured to observe a single <p id="section-10.3.1-2">The Traffic Filter at the OP is configured to observe a single
TCP connection. When the SYN/SYN-ACK/ACK handshake occurs, it TCP connection. When the SYN/SYN-ACK/ACK handshake occurs, it
offers the first opportunity to measure both RTD_fwd (on the SYN to offers the first opportunity to measure both RTD_fwd (on the SYN to
SYN-ACK pair) and RTD_rev (on the SYN-ACK to ACK pair). Label this SYN-ACK pair) and RTD_rev (on the SYN-ACK to ACK pair). Label this
singleton of RTDelay as RTDelay_HS (composed using the Forward and singleton of RTDelay as RTDelay_HS (composed using the Forward and
Reverse measurement pair). RTDelay_HS <span class="bcp14">SHALL</span> be treated separately Reverse measurement pair). RTDelay_HS <span class="bcp14">SHALL</span> be treated separately
from other RTDelays on data-bearing packets and their ACKs. The from other RTDelays on data-bearing packets and their ACKs. The
RTDelay_HS value <span class="bcp14">MAY</span> be used as a sanity ch eck on the composed RTDelay_HS value <span class="bcp14">MAY</span> be used as a consisten cy check on the composed
values of RTDelay for payload-bearing packets.<a href="#section-10.3.1 -2" class="pilcrow">¶</a></p> values of RTDelay for payload-bearing packets.<a href="#section-10.3.1 -2" class="pilcrow">¶</a></p>
<p id="section-10.3.1-3">For payload-bearing packets, the OP measures the time i nterval <p id="section-10.3.1-3">For payload-bearing packets, the OP measures the time i nterval
between observation of a packet with sequence number "s" and the between observation of a packet with sequence number "s" and the
corresponding ACK with the same sequence number. When the payload is corresponding ACK with the same sequence number. When the payload is
transferred from host A to host B, the observed interval is transferred from host A to host B, the observed interval is
RTD_fwd.<a href="#section-10.3.1-3" class="pilcrow">¶</a></p> RTD_fwd.<a href="#section-10.3.1-3" class="pilcrow">¶</a></p>
<p id="section-10.3.1-4">Because many data transfers are unidirectional (say, in the <p id="section-10.3.1-4">Because many data transfers are unidirectional (say, in the
Forward direction from host A to host B), it is necessary to use Forward direction from host A to host B), it is necessary to use
pure ACK packets with Timestamp (TSval) and packets with the Timestamp value pure ACK packets with Timestamp (TSval) and packets with the Timestamp value
echo to perform a RTD_rev measurement. The time interval between echo to perform a RTD_rev measurement. The time interval between
skipping to change at line 6233 skipping to change at line 6247
to return a packet that defines the termination of a time interval. to return a packet that defines the termination of a time interval.
The heuristics above intend to mitigate these errors by excluding The heuristics above intend to mitigate these errors by excluding
measurements where host processing time is a significant part of measurements where host processing time is a significant part of
RTD_fwd or RTD_rev.<a href="#section-10.3.1-12.1" class="pilcrow">¶</a > RTD_fwd or RTD_rev.<a href="#section-10.3.1-12.1" class="pilcrow">¶</a >
</li> </li>
<li class="normal" id="section-10.3.1-12.2">A key source of RTLoss e rror is observation loss, as described in <li class="normal" id="section-10.3.1-12.2">A key source of RTLoss e rror is observation loss, as described in
Section 3 of <span>[<a href="#Trammell-14" class="xref">Trammell-14</a >]</span>.<a href="#section-10.3.1-12.2" class="pilcrow">¶</a> Section 3 of <span>[<a href="#Trammell-14" class="xref">Trammell-14</a >]</span>.<a href="#section-10.3.1-12.2" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
</section> </section>
</div>
<section id="section-10.3.2"> <section id="section-10.3.2">
<h4 id="name-packet-stream-generation-7"> <h4 id="name-packet-stream-generation-7">
<a href="#section-10.3.2" class="section-number selfRef">10.3.2. </a><a href="#n ame-packet-stream-generation-7" class="section-name selfRef">Packet Stream Gener ation</a> <a href="#section-10.3.2" class="section-number selfRef">10.3.2. </a><a href="#n ame-packet-stream-generation-7" class="section-name selfRef">Packet Stream Gener ation</a>
</h4> </h4>
<p id="section-10.3.2-1">N/A<a href="#section-10.3.2-1" class="pilcrow">¶</a></p > <p id="section-10.3.2-1">N/A<a href="#section-10.3.2-1" class="pilcrow">¶</a></p >
</section> </section>
<section id="section-10.3.3"> <section id="section-10.3.3">
<h4 id="name-traffic-filtering-observation-det"> <h4 id="name-traffic-filtering-observation-det">
<a href="#section-10.3.3" class="section-number selfRef">10.3.3. </a><a href="#n ame-traffic-filtering-observation-det" class="section-name selfRef">Traffic Filt ering (Observation) Details</a> <a href="#section-10.3.3" class="section-number selfRef">10.3.3. </a><a href="#n ame-traffic-filtering-observation-det" class="section-name selfRef">Traffic Filt ering (Observation) Details</a>
</h4> </h4>
skipping to change at line 6354 skipping to change at line 6369
<dt id="section-10.4.2-2.3">Tf:</dt> <dt id="section-10.4.2-2.3">Tf:</dt>
<dd style="margin-left: 1.5em" id="section-10.4.2-2.4">The end of a measurement interval (format <dd style="margin-left: 1.5em" id="section-10.4.2-2.4">The end of a measurement interval (format
"date‑time" as specified in <span><a href="https://www.rfc-editor. org/rfc/rfc3339#section-5.6" class="relref">Section 5.6</a> of [<a href="#RFC333 9" class="xref">RFC3339</a>]</span>; see also "date‑time" as specified in <span><a href="https://www.rfc-editor. org/rfc/rfc3339#section-5.6" class="relref">Section 5.6</a> of [<a href="#RFC333 9" class="xref">RFC3339</a>]</span>; see also
"date‑and‑time" in <span><a href="https://www.rfc-editor.org/rfc/r fc6991#section-3" class="relref">Section 3</a> of [<a href="#RFC6991" class="xre f">RFC6991</a>]</span>). The UTC Time Zone is required by <span><a href="https:/ /www.rfc-editor.org/rfc/rfc2330#section-6.1" class="relref">Section 6.1</a> of [ <a href="#RFC2330" class="xref">RFC2330</a>]</span>. The end of the measurement "date‑and‑time" in <span><a href="https://www.rfc-editor.org/rfc/r fc6991#section-3" class="relref">Section 3</a> of [<a href="#RFC6991" class="xre f">RFC6991</a>]</span>). The UTC Time Zone is required by <span><a href="https:/ /www.rfc-editor.org/rfc/rfc2330#section-6.1" class="relref">Section 6.1</a> of [ <a href="#RFC2330" class="xref">RFC2330</a>]</span>. The end of the measurement
interval <span class="bcp14">MAY</span> be controlled by the measu red connection, where the interval <span class="bcp14">MAY</span> be controlled by the measu red connection, where the
second pair of FIN and ACK packets exchanged between host A and second pair of FIN and ACK packets exchanged between host A and
host B effectively ends the interval.<a href="#section-10.4.2-2.4" class="pilcrow">¶</a> host B effectively ends the interval.<a href="#section-10.4.2-2.4" class="pilcrow">¶</a>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
<p id="section-10.4.2-3">For RTDelay_HS: The round-trip delay of the handshake.< a href="#section-10.4.2-3" class="pilcrow">¶</a></p> <p id="section-10.4.2-3">For RTDelay_Passive_IP-TCP-HS: The round-trip delay of the handshake.<a href="#section-10.4.2-3" class="pilcrow">¶</a></p>
<p id="section-10.4.2-4">For RTLoss: The count of lost packets.<a href="#section -10.4.2-4" class="pilcrow">¶</a></p> <p id="section-10.4.2-4">For RTLoss: The count of lost packets.<a href="#section -10.4.2-4" class="pilcrow">¶</a></p>
<p id="section-10.4.2-5">For each &lt;statistic&gt;, one of the following subsec tions <p id="section-10.4.2-5">For each &lt;statistic&gt;, one of the following subsec tions
applies.<a href="#section-10.4.2-5" class="pilcrow">¶</a></p> applies.<a href="#section-10.4.2-5" class="pilcrow">¶</a></p>
<section id="section-10.4.2.1"> <section id="section-10.4.2.1">
<h5 id="name-mean-4"> <h5 id="name-mean-4">
<a href="#section-10.4.2.1" class="section-number selfRef">10.4.2.1. </a><a href ="#name-mean-4" class="section-name selfRef">Mean</a> <a href="#section-10.4.2.1" class="section-number selfRef">10.4.2.1. </a><a href ="#name-mean-4" class="section-name selfRef">Mean</a>
</h5> </h5>
<p id="section-10.4.2.1-1">The mean <span class="bcp14">SHALL</span> be calculat ed using the conditional distribution <p id="section-10.4.2.1-1">The mean <span class="bcp14">SHALL</span> be calculat ed using the conditional distribution
of all packets with a finite value of round-trip delay (undefined of all packets with a finite value of round-trip delay (undefined
delays are excluded) -- a single value, as follows:<a href="#section -10.4.2.1-1" class="pilcrow">¶</a></p> delays are excluded) -- a single value, as follows:<a href="#section -10.4.2.1-1" class="pilcrow">¶</a></p>
skipping to change at line 6426 skipping to change at line 6441
conditional distribution to exclude undefined values of delay, and conditional distribution to exclude undefined values of delay, and
see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this see <span><a href="https://www.rfc-editor.org/rfc/rfc6703#section-5" class="relref">Section 5</a> of [<a href="#RFC6703" class="xref">RFC6703</a>]</ span> for background on this
analysis choice.<a href="#section-10.4.2.3-2" class="pilcrow">¶</a>< /p> analysis choice.<a href="#section-10.4.2.3-2" class="pilcrow">¶</a>< /p>
<p id="section-10.4.2.3-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc 6049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" clas s="xref">RFC6049</a>]</span> for a closely <p id="section-10.4.2.3-3">See <span><a href="https://www.rfc-editor.org/rfc/rfc 6049#section-4.3.2" class="relref">Section 4.3.2</a> of [<a href="#RFC6049" clas s="xref">RFC6049</a>]</span> for a closely
related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-10.4.2.3-3" class="pilcrow">¶</a></p> related method for calculating this statistic; see also <span><a hre f="https://www.rfc-editor.org/rfc/rfc6049#section-4.3.3" class="relref">Section 4.3.3</a> of [<a href="#RFC6049" class="xref">RFC6049</a>]</span>. The formula i s as follows:<a href="#section-10.4.2.3-3" class="pilcrow">¶</a></p>
<div class="artwork art-text alignLeft" id="section-10.4.2.3-4"> <div class="artwork art-text alignLeft" id="section-10.4.2.3-4">
<pre> <pre>
Max = (FiniteDelay[j]) Max = (FiniteDelay[j])
</pre><a href="#section-10.4.2.3-4" class="pilcrow">¶</a> </pre><a href="#section-10.4.2.3-4" class="pilcrow">¶</a>
</div> </div>
<ul class="normal ulEmpty"> <ul class="ulEmpty normal">
<li class="normal ulEmpty" id="section-10.4.2.3-5.1">such that for some index, j <li class="ulEmpty normal" id="section-10.4.2.3-5.1">such that for some index, j
, where 1 &lt;= j &lt;= N , where 1 &lt;= j &lt;= N
FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-10.4.2.3- 5.1" class="pilcrow">¶</a> FiniteDelay[j] &gt;= FiniteDelay[n] for all n<a href="#section-10.4.2.3- 5.1" class="pilcrow">¶</a>
</li> </li>
</ul> </ul>
<span class="break"></span><dl class="dlParallel" id="section-10.4.2.3-6"> <span class="break"></span><dl class="dlParallel" id="section-10.4.2.3-6">
<dt id="section-10.4.2.3-6.1">Max:</dt> <dt id="section-10.4.2.3-6.1">Max:</dt>
<dd style="margin-left: 1.5em" id="section-10.4.2.3-6.2">The time value of the result is expressed in <dd style="margin-left: 1.5em" id="section-10.4.2.3-6.2">The time value of the result is expressed in
units of seconds, as a positive value of type decimal64 with units of seconds, as a positive value of type decimal64 with
fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds fraction digits = 9 (see <span><a href="https://www.rfc-editor.o rg/rfc/rfc6020#section-9.3" class="relref">Section 9.3</a> of [<a href="#RFC6020 " class="xref">RFC6020</a>]</span>) with a resolution of 0.000000001 seconds
(1.0 ns), and with lossless conversion to/from the 64-bit NTP (1.0 ns), and with lossless conversion to/from the 64-bit NTP
timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-10.4.2.3-6.2" class="pilcrow">¶</a> timestamp as per <span><a href="https://www.rfc-editor.org/rfc/r fc5905#section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xre f">RFC5905</a>]</span>.<a href="#section-10.4.2.3-6.2" class="pilcrow">¶</a>
</dd> </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</section> </section>
<section id="section-10.4.2.4"> <section id="section-10.4.2.4">
<h5 id="name-singleton"> <h5 id="name-singleton">
<a href="#section-10.4.2.4" class="section-number selfRef">10.4.2.4. </a><a href ="#name-singleton" class="section-name selfRef">Singleton</a> <a href="#section-10.4.2.4" class="section-number selfRef">10.4.2.4. </a><a href ="#name-singleton" class="section-name selfRef">Singleton</a>
</h5> </h5>
<p id="section-10.4.2.4-1">The time value of the result is expressed in units of <p id="section-10.4.2.4-1">The singleton SHALL be calculated using the successfu
seconds, l RTD_fwd
(on the SYN to SYN-ACK pair) and RTD_rev (on the SYN-ACK to ACK pair),
see <a href="#ref-methods-10.3.1" class="xref">Section 10.3.1</a>.<a href="#s
ection-10.4.2.4-1" class="pilcrow">¶</a></p>
<p id="section-10.4.2.4-2">For RTDelay_Passive_IP-TCP-HS: The round-trip delay o
f the handshake.<a href="#section-10.4.2.4-2" class="pilcrow">¶</a></p>
<p id="section-10.4.2.4-3">The time value of the result is expressed in units of
seconds,
as a positive value of type decimal64 with fraction digits = 9 as a positive value of type decimal64 with fraction digits = 9
(see <span><a href="https://www.rfc-editor.org/rfc/rfc6020#section-9.3" cla ss="relref">Section 9.3</a> of [<a href="#RFC6020" class="xref">RFC6020</a>]</sp an>) with resolution of 0.000000001 (see <span><a href="https://www.rfc-editor.org/rfc/rfc6020#section-9.3" cla ss="relref">Section 9.3</a> of [<a href="#RFC6020" class="xref">RFC6020</a>]</sp an>) with resolution of 0.000000001
seconds (1.0 ns), and with lossless conversion to/from the 64-bit seconds (1.0 ns), and with lossless conversion to/from the 64-bit
NTP timestamp as per <span><a href="https://www.rfc-editor.org/rfc/rfc5905 #section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xref">RFC 5905</a>]</span>.<a href="#section-10.4.2.4-1" class="pilcrow">¶</a></p> NTP timestamp as per <span><a href="https://www.rfc-editor.org/rfc/rfc5905 #section-6" class="relref">Section 6</a> of [<a href="#RFC5905" class="xref">RFC 5905</a>]</span>.<a href="#section-10.4.2.4-3" class="pilcrow">¶</a></p>
</section> </section>
</section> </section>
<section id="section-10.4.3"> <section id="section-10.4.3">
<h4 id="name-metric-units-7"> <h4 id="name-metric-units-7">
<a href="#section-10.4.3" class="section-number selfRef">10.4.3. </a><a href="#n ame-metric-units-7" class="section-name selfRef">Metric Units</a> <a href="#section-10.4.3" class="section-number selfRef">10.4.3. </a><a href="#n ame-metric-units-7" class="section-name selfRef">Metric Units</a>
</h4> </h4>
<p id="section-10.4.3-1">The &lt;statistic&gt; of round-trip delay is expressed in <p id="section-10.4.3-1">The &lt;statistic&gt; of round-trip delay is expressed in
seconds, where &lt;statistic&gt; is one of:<a href="#section-10.4.3-1" class="pilcrow">¶</a></p> seconds, where &lt;statistic&gt; is one of:<a href="#section-10.4.3-1" class="pilcrow">¶</a></p>
<ul class="normal"> <ul class="normal">
<li class="normal" id="section-10.4.3-2.1">Mean<a href="#section-10.4.3-2.1" cla ss="pilcrow">¶</a> <li class="normal" id="section-10.4.3-2.1">Mean<a href="#section-10.4.3-2.1" cla ss="pilcrow">¶</a>
</li> </li>
<li class="normal" id="section-10.4.3-2.2">Min<a href="#section-10.4 .3-2.2" class="pilcrow">¶</a> <li class="normal" id="section-10.4.3-2.2">Min<a href="#section-10.4 .3-2.2" class="pilcrow">¶</a>
</li> </li>
<li class="normal" id="section-10.4.3-2.3">Max<a href="#section-10.4 .3-2.3" class="pilcrow">¶</a> <li class="normal" id="section-10.4.3-2.3">Max<a href="#section-10.4 .3-2.3" class="pilcrow">¶</a>
</li> </li>
<li class="normal" id="section-10.4.3-2.4">Singleton<a href="#sectio
n-10.4.3-2.4" class="pilcrow">¶</a>
</li>
</ul> </ul>
<p id="section-10.4.3-3">The round-trip delay of the handshake is expressed in <p id="section-10.4.3-3">The round-trip delay of the TCP handshake singleton is
seconds.<a href="#section-10.4.3-3" class="pilcrow">¶</a></p> expressed in seconds.<a href="#section-10.4.3-3" class="pilcrow">¶</a></p>
<p id="section-10.4.3-4">The round-trip loss count is expressed as a number of <p id="section-10.4.3-4">The round-trip loss count is expressed as a number of
packets.<a href="#section-10.4.3-4" class="pilcrow">¶</a></p> packets.<a href="#section-10.4.3-4" class="pilcrow">¶</a></p>
<p id="section-10.4.3-5">RTLoss_Passive_IP-TCP_RFC8912sec10_Packet_Count<a href= "#section-10.4.3-5" class="pilcrow">¶</a></p> <p id="section-10.4.3-5">RTLoss_Passive_IP-TCP_RFC8912sec10_Packet_Count<a href= "#section-10.4.3-5" class="pilcrow">¶</a></p>
<span class="break"></span><dl class="dlParallel" id="section-10.4.3-6"> <span class="break"></span><dl class="dlParallel" id="section-10.4.3-6">
<dt id="section-10.4.3-6.1">Packet count:</dt> <dt id="section-10.4.3-6.1">Packet count:</dt>
<dd style="margin-left: 1.5em" id="section-10.4.3-6.2">The numeric v alue of the result is <dd style="margin-left: 1.5em" id="section-10.4.3-6.2">The numeric v alue of the result is
expressed in units of lost packets, as a positive value of type expressed in units of lost packets, as a positive value of type
uint64 (represents integer values between 0 and uint64 (represents integer values between 0 and
18446744073709551615, inclusively (see <span><a href="https://www.rfc-edito r.org/rfc/rfc6020#section-9.2" class="relref">Section 9.2</a> of [<a href="#RFC6 020" class="xref">RFC6020</a>]</span>).<a href="#section-10.4.3-6.2" class="pilc row">¶</a> 18446744073709551615, inclusively (see <span><a href="https://www.rfc-edito r.org/rfc/rfc6020#section-9.2" class="relref">Section 9.2</a> of [<a href="#RFC6 020" class="xref">RFC6020</a>]</span>).<a href="#section-10.4.3-6.2" class="pilc row">¶</a>
</dd> </dd>
skipping to change at line 6650 skipping to change at line 6666
<dt id="RFC7680">[RFC7680]</dt> <dt id="RFC7680">[RFC7680]</dt>
<dd> <dd>
<span class="refAuthor">Almes, G.</span>, <span class="refAuthor">Kalidindi, S.< /span>, <span class="refAuthor">Zekauskas, M.</span>, and <span class="refAuthor ">A. Morton, Ed.</span>, <span class="refTitle">"A One-Way Loss Metric for IP Pe rformance Metrics (IPPM)"</span>, <span class="seriesInfo">STD 82</span>, <span class="seriesInfo">RFC 7680</span>, <span class="seriesInfo">DOI 10.17487/RFC768 0</span>, <time datetime="2016-01" class="refDate">January 2016</time>, <span>&l t;<a href="https://www.rfc-editor.org/info/rfc7680">https://www.rfc-editor.org/i nfo/rfc7680</a>&gt;</span>. </dd> <span class="refAuthor">Almes, G.</span>, <span class="refAuthor">Kalidindi, S.< /span>, <span class="refAuthor">Zekauskas, M.</span>, and <span class="refAuthor ">A. Morton, Ed.</span>, <span class="refTitle">"A One-Way Loss Metric for IP Pe rformance Metrics (IPPM)"</span>, <span class="seriesInfo">STD 82</span>, <span class="seriesInfo">RFC 7680</span>, <span class="seriesInfo">DOI 10.17487/RFC768 0</span>, <time datetime="2016-01" class="refDate">January 2016</time>, <span>&l t;<a href="https://www.rfc-editor.org/info/rfc7680">https://www.rfc-editor.org/i nfo/rfc7680</a>&gt;</span>. </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="RFC8174">[RFC8174]</dt> <dt id="RFC8174">[RFC8174]</dt>
<dd> <dd>
<span class="refAuthor">Leiba, B.</span>, <span class="refTitle">"Ambiguity of U ppercase vs Lowercase in RFC 2119 Key Words"</span>, <span class="seriesInfo">BC P 14</span>, <span class="seriesInfo">RFC 8174</span>, <span class="seriesInfo"> DOI 10.17487/RFC8174</span>, <time datetime="2017-05" class="refDate">May 2017</ time>, <span>&lt;<a href="https://www.rfc-editor.org/info/rfc8174">https://www.r fc-editor.org/info/rfc8174</a>&gt;</span>. </dd> <span class="refAuthor">Leiba, B.</span>, <span class="refTitle">"Ambiguity of U ppercase vs Lowercase in RFC 2119 Key Words"</span>, <span class="seriesInfo">BC P 14</span>, <span class="seriesInfo">RFC 8174</span>, <span class="seriesInfo"> DOI 10.17487/RFC8174</span>, <time datetime="2017-05" class="refDate">May 2017</ time>, <span>&lt;<a href="https://www.rfc-editor.org/info/rfc8174">https://www.r fc-editor.org/info/rfc8174</a>&gt;</span>. </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="RFC8911">[RFC8911]</dt> <dt id="RFC8911">[RFC8911]</dt>
<dd> <dd>
<span class="refAuthor">Bagnulo, M.</span>, <span class="refAuthor">Claise, B.</ span>, <span class="refAuthor">Eardley, P.</span>, <span class="refAuthor">Morto n, A.</span>, and <span class="refAuthor">A. Akhter</span>, <span class="refTitl e">"Registry for Performance Metrics"</span>, <span class="seriesInfo">RFC 8911< /span>, <span class="seriesInfo">DOI 10.17487/RFC8911</span>, <time datetime="20 21-05" class="refDate">May 2021</time>, <span>&lt;<a href="https://www.rfc-edito r.org/info/rfc8911">https://www.rfc-editor.org/info/rfc8911</a>&gt;</span>. </dd > <span class="refAuthor">Bagnulo, M.</span>, <span class="refAuthor">Claise, B.</ span>, <span class="refAuthor">Eardley, P.</span>, <span class="refAuthor">Morto n, A.</span>, and <span class="refAuthor">A. Akhter</span>, <span class="refTitl e">"Registry for Performance Metrics"</span>, <span class="seriesInfo">RFC 8911< /span>, <span class="seriesInfo">DOI 10.17487/RFC8911</span>, <time datetime="20 21-06" class="refDate">June 2021</time>, <span>&lt;<a href="https://www.rfc-edit or.org/info/rfc8911">https://www.rfc-editor.org/info/rfc8911</a>&gt;</span>. </d d>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="Strowes">[Strowes]</dt> <dt id="Strowes">[Strowes]</dt>
<dd> <dd>
<span class="refAuthor">Strowes, S.</span>, <span class="refTitle">"Passively Me asuring TCP Round-Trip Times"</span>, <span class="refContent">Communications of the ACM, Vol. 56 No. 10, Pages 57-64</span>, <span class="seriesInfo">DOI 10.11 45/2507771.2507781</span>, <time datetime="2013-10" class="refDate">October 2013 </time>, <span>&lt;<a href="https://dl.acm.org/doi/10.1145/2507771.2507781">http s://dl.acm.org/doi/10.1145/2507771.2507781</a>&gt;</span>. </dd> <span class="refAuthor">Strowes, S.</span>, <span class="refTitle">"Passively Me asuring TCP Round-Trip Times"</span>, <span class="refContent">Communications of the ACM, Vol. 56 No. 10, Pages 57-64</span>, <span class="seriesInfo">DOI 10.11 45/2507771.2507781</span>, <time datetime="2013-10" class="refDate">October 2013 </time>, <span>&lt;<a href="https://dl.acm.org/doi/10.1145/2507771.2507781">http s://dl.acm.org/doi/10.1145/2507771.2507781</a>&gt;</span>. </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="Trammell-14">[Trammell-14]</dt> <dt id="Trammell-14">[Trammell-14]</dt>
<dd> <dd>
<span class="refAuthor">Trammell, B.</span>, <span class="refAuthor">Gugelmann, D.</span>, and <span class="refAuthor">N. Brownlee</span>, <span class="refTitle ">"Inline Data Integrity Signals for Passive Measurement"</span>, <span class="r efContent">In: Dainotti A., Mahanti A., Uhlig S. (eds) <span class="refAuthor">Trammell, B.</span>, <span class="refAuthor">Gugelmann, D.</span>, and <span class="refAuthor">N. Brownlee</span>, <span class="refTitle ">"Inline Data Integrity Signals for Passive Measurement"</span>, <span class="r efContent">In: Dainotti A., Mahanti A., Uhlig S. (eds)
Traffic Monitoring and Analysis. TMA 2014. Lecture Notes in Traffic Monitoring and Analysis. TMA 2014. Lecture Notes in
Computer Science, vol 8406. Springer, Berlin, Heidelberg</span>, <span class="seriesInfo">DOI 10.1007/978-3-642-54999-1_2</span>, <time datetime="2014 -03" class="refDate">March 2014</time>, <span>&lt;<a href="https://link.springer .com/chapter/10.1007/978-3-642-54999-1_2">https://link.springer.com/chapter/10.1 007/978-3-642-54999-1_2</a>&gt;</span>. </dd> Computer Science, vol 8406. Springer, Berlin, Heidelberg</span>, <span class="seriesInfo">DOI 10.1007/978-3-642-54999-1_2</span>, <time datetime="2014 -03" class="refDate">March 2014</time>, <span>&lt;<a href="https://link.springer .com/chapter/10.1007/978-3-642-54999-1_2">https://link.springer.com/chapter/10.1 007/978-3-642-54999-1_2</a>&gt;</span>. </dd>
skipping to change at line 6692 skipping to change at line 6708
<dd> <dd>
<span class="refAuthor">Eardley, P.</span>, <span class="refAuthor">Morton, A.</ span>, <span class="refAuthor">Bagnulo, M.</span>, <span class="refAuthor">Burbr idge, T.</span>, <span class="refAuthor">Aitken, P.</span>, and <span class="ref Author">A. Akhter</span>, <span class="refTitle">"A Framework for Large-Scale Me asurement of Broadband Performance (LMAP)"</span>, <span class="seriesInfo">RFC 7594</span>, <span class="seriesInfo">DOI 10.17487/RFC7594</span>, <time datetim e="2015-09" class="refDate">September 2015</time>, <span>&lt;<a href="https://ww w.rfc-editor.org/info/rfc7594">https://www.rfc-editor.org/info/rfc7594</a>&gt;</ span>. </dd> <span class="refAuthor">Eardley, P.</span>, <span class="refAuthor">Morton, A.</ span>, <span class="refAuthor">Bagnulo, M.</span>, <span class="refAuthor">Burbr idge, T.</span>, <span class="refAuthor">Aitken, P.</span>, and <span class="ref Author">A. Akhter</span>, <span class="refTitle">"A Framework for Large-Scale Me asurement of Broadband Performance (LMAP)"</span>, <span class="seriesInfo">RFC 7594</span>, <span class="seriesInfo">DOI 10.17487/RFC7594</span>, <time datetim e="2015-09" class="refDate">September 2015</time>, <span>&lt;<a href="https://ww w.rfc-editor.org/info/rfc7594">https://www.rfc-editor.org/info/rfc7594</a>&gt;</ span>. </dd>
<dd class="break"></dd> <dd class="break"></dd>
<dt id="RFC8126">[RFC8126]</dt> <dt id="RFC8126">[RFC8126]</dt>
<dd> <dd>
<span class="refAuthor">Cotton, M.</span>, <span class="refAuthor">Leiba, B.</sp an>, and <span class="refAuthor">T. Narten</span>, <span class="refTitle">"Guide lines for Writing an IANA Considerations Section in RFCs"</span>, <span class="s eriesInfo">BCP 26</span>, <span class="seriesInfo">RFC 8126</span>, <span class= "seriesInfo">DOI 10.17487/RFC8126</span>, <time datetime="2017-06" class="refDat e">June 2017</time>, <span>&lt;<a href="https://www.rfc-editor.org/info/rfc8126" >https://www.rfc-editor.org/info/rfc8126</a>&gt;</span>. </dd> <span class="refAuthor">Cotton, M.</span>, <span class="refAuthor">Leiba, B.</sp an>, and <span class="refAuthor">T. Narten</span>, <span class="refTitle">"Guide lines for Writing an IANA Considerations Section in RFCs"</span>, <span class="s eriesInfo">BCP 26</span>, <span class="seriesInfo">RFC 8126</span>, <span class= "seriesInfo">DOI 10.17487/RFC8126</span>, <time datetime="2017-06" class="refDat e">June 2017</time>, <span>&lt;<a href="https://www.rfc-editor.org/info/rfc8126" >https://www.rfc-editor.org/info/rfc8126</a>&gt;</span>. </dd>
<dd class="break"></dd> <dd class="break"></dd>
</dl> </dl>
</section> </section>
</section> </section>
<section id="section-appendix.a"> <section id="appendix-A">
<h2 id="name-acknowledgments"> <h2 id="name-acknowledgments">
<a href="#name-acknowledgments" class="section-name selfRef">Acknowledgments</a> <a href="#name-acknowledgments" class="section-name selfRef">Acknowledgments</a>
</h2> </h2>
<p id="section-appendix.a-1">The authors thank <span class="contact-name">Brian Trammell</span> for suggesting the term "Runtime <p id="appendix-A-1">The authors thank <span class="contact-name">Brian Trammell </span> for suggesting the term "Runtime
Parameters", which led to the distinction between Runtime and Fixed Parameters", which led to the distinction between Runtime and Fixed
Parameters implemented in this memo, for identifying the IP Flow Parameters implemented in this memo, for identifying the IP Flow
Information Export (IPFIX) metric Information Export (IPFIX) metric
with Flow Key as an example, for suggesting the Passive TCP RTD Metric with Flow Key as an example, for suggesting the Passive TCP RTD Metric
and supporting references, and for many other productive suggestions. Than ks to <span class="contact-name">Peter Koch</span>, who provided several useful suggestions for and supporting references, and for many other productive suggestions. Than ks to <span class="contact-name">Peter Koch</span>, who provided several useful suggestions for
disambiguating successive DNS queries in the DNS Response time disambiguating successive DNS queries in the DNS Response time
metric.<a href="#section-appendix.a-1" class="pilcrow">¶</a></p> metric.<a href="#appendix-A-1" class="pilcrow">¶</a></p>
<p id="section-appendix.a-2">The authors also acknowledge the constructive revie <p id="appendix-A-2">The authors also acknowledge the constructive reviews and h
ws and helpful elpful
suggestions from <span class="contact-name">Barbara Stark</span>, <span cl ass="contact-name">Juergen Schoenwaelder</span>, <span class="contact-name">Tim Carey</span>, <span class="contact-name">Yaakov Stein</span>, and particip ants in the LMAP Working Group. Thanks to <span class="contact-name">Michelle Co tton</span> for her early IANA reviews, and to <span class="contact-name">Amanda Baber</span> for answering suggestions from <span class="contact-name">Barbara Stark</span>, <span cl ass="contact-name">Juergen Schoenwaelder</span>, <span class="contact-name">Tim Carey</span>, <span class="contact-name">Yaakov Stein</span>, and particip ants in the LMAP Working Group. Thanks to <span class="contact-name">Michelle Co tton</span> for her early IANA reviews, and to <span class="contact-name">Amanda Baber</span> for answering
questions related to the presentation of the Registry and accessibility questions related to the presentation of the Registry and accessibility
of the complete template via URL.<a href="#section-appendix.a-2" class="pi lcrow">¶</a></p> of the complete template via URL.<a href="#appendix-A-2" class="pilcrow">¶ </a></p>
</section> </section>
<div id="authors-addresses"> <div id="authors-addresses">
<section id="section-appendix.b"> <section id="appendix-B">
<h2 id="name-authors-addresses"> <h2 id="name-authors-addresses">
<a href="#name-authors-addresses" class="section-name selfRef">Authors' Addresse s</a> <a href="#name-authors-addresses" class="section-name selfRef">Authors' Addresse s</a>
</h2> </h2>
<address class="vcard"> <address class="vcard">
<div dir="auto" class="left"><span class="fn nameRole">Al Morton</span>< /div> <div dir="auto" class="left"><span class="fn nameRole">Al Morton</span>< /div>
<div dir="auto" class="left"><span class="org">AT&amp;T Labs</span></div> <div dir="auto" class="left"><span class="org">AT&amp;T Labs</span></div>
<div dir="auto" class="left"><span class="street-address">200 Laurel Avenue Sout h</span></div> <div dir="auto" class="left"><span class="street-address">200 Laurel Avenue Sout h</span></div>
<div dir="auto" class="left"> <div dir="auto" class="left">
<span class="locality">Middletown</span>, <span class="region">NJ</span> <span c lass="postal-code">07748</span> <span class="locality">Middletown</span>, <span class="region">NJ</span> <span c lass="postal-code">07748</span>
</div> </div>
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