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RFC 9492
Title: OSPF Application-Specific Link Attributes
Author: P. Psenak, Ed.,
L. Ginsberg,
W. Henderickx,
J. Tantsura,
J. Drake
Status: Standards Track
Stream: IETF
Date: October 2023
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 20
Obsoletes: RFC 8920
I-D Tag: draft-ietf-lsr-rfc8920bis-06.txt
URL: https://www.rfc-editor.org/info/rfc9492
DOI: 10.17487/RFC9492
Existing traffic-engineering-related link attribute advertisements
have been defined and are used in RSVP-TE deployments. Since the
original RSVP-TE use case was defined, additional applications such
as Segment Routing (SR) Policy and Loop-Free Alternates (LFAs) that
also make use of the link attribute advertisements have been defined.
In cases where multiple applications wish to make use of these link
attributes, the current advertisements do not support
application-specific values for a given attribute, nor do they
support indication of which applications are using the advertised
value for a given link. This document introduces link attribute
advertisements in OSPFv2 and OSPFv3 that address both of these
shortcomings.
This document obsoletes RFC 8920.
This document is a product of the Link State Routing Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
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