[New-wg-docs] I-D Action: draft-ietf-pce-sr-bidir-path-00.txt

internet-drafts@ietf.org Fri, 07 February 2020 14:17 UTC

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Subject: [New-wg-docs] I-D Action: draft-ietf-pce-sr-bidir-path-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : PCEP Extensions for Associated Bidirectional Segment Routing (SR) Paths
        Authors         : Cheng Li
                          Mach(Guoyi) Chen
                          Weiqiang Cheng
                          Rakesh Gandhi
                          Quan Xiong
	Filename        : draft-ietf-pce-sr-bidir-path-00.txt
	Pages           : 16
	Date            : 2020-02-07

   The Path Computation Element Communication Protocol (PCEP) provides
   mechanisms for Path Computation Elements (PCEs) to perform path
   computations in response to Path Computation Clients (PCCs) requests.
   The Stateful PCE extensions allow stateful control of Multiprotocol
   Label Switching (MPLS) Traffic Engineering (TE) Label Switched Paths
   (LSPs) using PCEP.  Furthermore, PCEP can be used for computing paths
   in Segment Routing (SR) TE networks.

   This document defines PCEP extensions for grouping two reverse
   unidirectional SR Paths into an Associated Bidirectional SR Path when
   using a Stateful PCE for both PCE-Initiated and PCC-Initiated LSPs as
   well as when using a Stateless PCE.

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