Internet-Draft draft-ietf-lsr-igp-flex-algo-reverse-affinity-08.txt is now
available. It is a work item of the Link State Routing (LSR) WG of the IETF.
Title: IGP Flexible Algorithms Reverse Affinity Constraint
Authors: Peter Psenak
Jakub Horn
Amit Dhamija
Name: draft-ietf-lsr-igp-flex-algo-reverse-affinity-08.txt
Pages: 16
Dates: 2025-07-21
Abstract:
An IGP Flexible Algorithm (Flex-Algorithm) enables the computation of
constraint-based paths within an IGP domain, allowing operators to
influence path selection according to administrative policies. This
document defines an extension to Flex-Algorithm that allows the
inclusion or exclusion of links from path computation based on
Administrative Groups (also known as link affinities) associated with
the reverse direction of the path under computation.
This extension enhances the path selection capabilities of Flex-
Algorithm by enabling reverse-affinity-based constraints, which are
particularly useful for scenarios where path symmetry or directional
link attributes are operationally significant.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-lsr-igp-flex-algo-reverse-affinity/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-lsr-igp-flex-algo-reverse-affinity-08
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-lsr-igp-flex-algo-reverse-affinity-08
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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