Internet-Draft draft-ietf-pce-pcep-pmtu-07.txt is now available. It is a work
item of the Path Computation Element (PCE) WG of the IETF.
Title: Support for Path MTU (PMTU) in the Path Computation Element (PCE)
Communication Protocol (PCEP)
Authors: Shuping Peng
Cheng Li
Liuyan Han
Luc-Fabrice Ndifor
Samuel Sidor
Name: draft-ietf-pce-pcep-pmtu-07.txt
Pages: 11
Dates: 2025-02-12
Abstract:
The Path Computation Element (PCE) provides path computation
functions in support of traffic engineering in Multiprotocol Label
Switching (MPLS) and Generalized MPLS (GMPLS) networks.
The Source Packet Routing in Networking (SPRING) architecture
describes how Segment Routing (SR) can be used to steer packets
through an IPv6 or MPLS network using the source routing paradigm. A
Segment Routed Path can be derived from a variety of mechanisms,
including an IGP Shortest Path Tree (SPT), explicit configuration, or
a Path Computation Element (PCE).
Since the SR does not require signaling, the path maximum
transmission unit (MTU) information for the SR path is unavailable at
the headend. This document specifies the extension to PCE
Communication Protocol (PCEP) to carry path MTU as a new metric type
in the PCEP messages for SR, but not limited to it.
This document also updates RFC 5440 to allow metric bounds to be
minimum as needed in the case of path MTU.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-pmtu/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-pmtu-07
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-pce-pcep-pmtu-07
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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