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 : Path Computation Element Communication Protocol
(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-06.txt
Pages : 19
Date : 2021-07-12
Abstract:
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.
Segment routing (SR) leverages the source routing and tunneling
paradigms. The Stateful PCEP extensions allow stateful control of
Segment Routing Traffic Engineering (TE) Paths. Furthermore, PCEP
can be used for computing SR TE paths in the network.
This document defines PCEP extensions for grouping two unidirectional
SR Paths (one in each direction in the network) into a single
Associated Bidirectional SR Path. The mechanisms defined in this
document can also be applied using a Stateful PCE for both PCE-
Initiated and PCC-Initiated LSPs, as well as when using a Stateless
PCE.
The IETF datatracker status page for this 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-06
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-sr-bidir-path-06
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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