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RFC 9666
Title: Area Proxy for IS-IS
Author: T. Li,
S. Chen,
V. Ilangovan,
G. Mishra
Status: Experimental
Stream: IETF
Date: October 2024
Mailbox: [email protected],
[email protected],
[email protected],
[email protected]
Pages: 17
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-lsr-isis-area-proxy-12.txt
URL: https://www.rfc-editor.org/info/rfc9666
DOI: 10.17487/RFC9666
Link-state routing protocols have hierarchical abstraction already
built into them. However, when lower levels are used for transit,
they must expose their internal topologies to each other, thereby
leading to scaling issues.
To avoid such issues, this document discusses extensions to the IS-IS
routing protocol that allow Level 1 (L1) areas to provide transit but
only inject an abstraction of the Level 1 topology into Level 2 (L2).
Each Level 1 area is represented as a single Level 2 node, thereby
enabling a greater scale.
This document is a product of the Link State Routing Working Group of the IETF.
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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