Internet-Draft draft-ietf-spring-mpls-path-segment-16.txt is now available. It
is a work item of the Source Packet Routing in Networking (SPRING) WG of the
IETF.
Title: Path Segment in MPLS Based Segment Routing Network
Authors: Weiqiang Cheng
Han Li
Cheng Li
Rakesh Gandhi
Royi Zigler
Name: draft-ietf-spring-mpls-path-segment-16.txt
Pages: 17
Dates: 2023-10-12
Abstract:
A Segment Routing (SR) path is identified by an SR segment list. A
sub-set of segments from the segment list cannot distinguish one SR
path from another as they may be partially congruent. SR path
identification is a pre-requisite for various use-cases such as
Performance Measurement (PM), and end-to-end 1+1 path protection.
In SR for MPLS data plane (SR-MPLS), an Egress node cannot determine
on which SR path a packet traversed the network from the label stack
because the segment identifiers are removed from the label stack as
the packet transits the network.
This document defines Path Segment to identify an SR path on the
egress node of the path.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-spring-mpls-path-segment/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-spring-mpls-path-segment-16.html
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-spring-mpls-path-segment-16
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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