Dear OPSAWG and LSR,
We have posted v-03 of draft-liu-opsawg-ipfix-igp-algo. The main changes are:
Aditya added as co-author.
A second IE is defined. The draft now defines both igpAlgo and
igpMultiTopologyId, both as facts about the forwarding entry selected for the
observed packet.
igpAlgo semantics clarified. igpAlgo reports the IGP Algorithm associated with
the FIB or LFIB entry selected by the forwarding lookup.
Per-data-plane binding and context rules added. The draft now specifies, for
SR-MPLS, SRv6, and regular IPv4/IPv6, which companion IEs should be exported
together with igpAlgo to identify the forwarding object unambiguously. It also
describes the context needed to interpret Flex-Algorithm values, including FAD
advertisement scope, data plane, routing context, and topology.
IE-specific security considerations were added.
Comments and suggestions are welcome.
Best regards,
Yao Liu
(on behalf of the authors)
Original
From: [email protected] <[email protected]>
To: Aditya Dogra <[email protected]>;赵丽嫚00236525;刘尧00165286;
Date: 2026年10月27日 09:01
Subject: New Version Notification for draft-liu-opsawg-ipfix-igp-algo-03.txt
A new version of Internet-Draft draft-liu-opsawg-ipfix-igp-algo-03.txt has
been successfully submitted by Yao Liu and posted to the
IETF repository.
Name: draft-liu-opsawg-ipfix-igp-algo
Revision: 03
Title: Export of IGP Algorithm Information in IPFIX
Date: 2026-10-26
Group: Individual Submission
Pages: 16
URL: https://www.ietf.org/archive/id/draft-liu-opsawg-ipfix-igp-algo-03.txt
Status: https://datatracker.ietf.org/doc/draft-liu-opsawg-ipfix-igp-algo/
HTML:
https://www.ietf.org/archive/id/draft-liu-opsawg-ipfix-igp-algo-03.html
HTMLized: https://datatracker.ietf.org/doc/html/draft-liu-opsawg-ipfix-igp-algo
Diff:
https://author-tools.ietf.org/iddiff?url2=draft-liu-opsawg-ipfix-igp-algo-03
Abstract:
This document introduces two IPFIX information elements (IEs) to
identify the IGP Algorithm and Multi-Topology Identifier associated
with the forwarding entry used for an observed packet.
The IETF Secretariat
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