{"draft":"draft-ietf-pce-pcep-extension-for-pce-controller-14","doc_id":"RFC9050","title":"Path Computation Element Communication Protocol (PCEP) Procedures and Extensions for Using the PCE as a Central Controller (PCECC) of LSPs","authors":["Z. Li","S. Peng","M. Negi","Q. Zhao","C. Zhou"],"format":["HTML","TEXT","PDF","XML"],"page_count":"33","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Path Computation Element","abstract":"The Path Computation Element (PCE) is a core component of\r\nSoftware-Defined Networking (SDN) systems.\r\n\r\nA PCE as a Central Controller (PCECC) can simplify the processing of\r\na distributed control plane by blending it with elements of SDN and\r\nwithout necessarily completely replacing it. Thus, the Label Switched\r\nPath (LSP) can be calculated\/set up\/initiated and the\r\nlabel-forwarding entries can also be downloaded through a centralized\r\nPCE server to each network device along the path while leveraging the\r\nexisting PCE technologies as much as possible.\r\n\r\nThis document specifies the procedures and Path Computation Element\r\nCommunication Protocol (PCEP) extensions for using the PCE as the\r\ncentral controller for provisioning labels along the path of the\r\nstatic LSP.","pub_date":"July 2021","keywords":["SDN","CCI","Central Control"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":["RFC9756"],"see_also":[],"doi":"10.17487\/RFC9050","errata_url":null}