Internet-Draft draft-ietf-pce-sr-bidir-path-23.txt is now available. It is a
work item of the Path Computation Element (PCE) WG of the IETF.
Title: Path Computation Element Communication Protocol (PCEP) Extensions
for Associated Bidirectional Segment Routing (SR) LSPs
Authors: Cheng Li
Mach(Guoyi) Chen
Weiqiang Cheng
Rakesh Gandhi
Quan Xiong
Name: draft-ietf-pce-sr-bidir-path-23.txt
Pages: 17
Dates: 2026-02-28
Abstract:
Segment Routing (SR) steers packets through a network using the IPv6
or MPLS data planes via source routing. Stateful Path Computation
Element Communication Protocol (PCEP) extensions are defined for SR
Traffic Engineering (TE) LSPs.
PCEP supports grouping two RSVP-TE-signaled, unidirectional MPLS-TE
Label-Switched Paths (LSPs) with one in each direction in a network
into an associated bidirectional LSP. This document extends PCEP
support to group two unidirectional SR LSPs into an associated
bidirectional SR LSP. The mechanisms defined in this document apply
to both stateless and stateful PCEs for PCE-initiated and PCC-
initiated LSPs.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-sr-bidir-path/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-pce-sr-bidir-path-23
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-pce-sr-bidir-path-23
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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