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RFC 9947
Title: Application of the Alternate-Marking Method
to the Segment Routing Header
Author: G. Fioccola,
T. Zhou,
G. Mishra,
X. Wang,
G. Zhang,
M. Cociglio
Status: Experimental
Stream: Independent
Date: March 2026
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 14
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-fz-spring-srv6-alt-mark-17.txt
URL: https://www.rfc-editor.org/info/rfc9947
DOI: 10.17487/RFC9947
This document describes an alternative experimental approach for the
application of the Alternate-Marking Method to Segment Routing for
IPv6 (SRv6). It uses an experimental TLV in the Segment Routing
Header (SRH); thus, participation in this experiment should be
between coordinating parties in a controlled domain. This approach
has potential scaling and simplification benefits over the technique
described in RFC 9343, and the scope of the experiment is to
determine whether those are significant and attractive to the
community.
This protocol extension has been developed outside the IETF as an
alternative to the IETF's Standards Track specification RFC 9343 and
it does not have IETF consensus. It is published here to guide
experimental implementation and ensure interoperability among
implementations to better determine the value of this approach.
Researchers are invited to submit their evaluations of this work to
the Independent Submissions Editor or to the IETF SPRING Working
Group as Internet-Drafts.
EXPERIMENTAL: This memo defines an Experimental Protocol for the
Internet community. It does not specify an Internet standard of any
kind. Discussion and suggestions for improvement are requested.
Distribution of this memo is unlimited.
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