A new Request for Comments is now available in online RFC libraries.
RFC 5120
Title: M-ISIS: Multi Topology (MT) Routing
in Intermediate System to Intermediate Systems
(IS-ISs)
Author: T. Przygienda, N. Shen,
N. Sheth
Status: Standards Track
Date: February 2008
Mailbox: prz@net4u.ch,
naiming@cisco.com,
nsheth@juniper.net
Pages: 14
Characters: 30318
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-isis-wg-multi-topology-12.txt
URL: http://www.rfc-editor.org/rfc/rfc5120.txt
This document describes an optional mechanism within Intermediate
System to Intermediate Systems (IS-ISs) used today
by many ISPs for IGP routing within their clouds. This document
describes how to run, within a single IS-IS domain, a set of
independent IP topologies that we call Multi-Topologies (MTs).
This MT extension can be used for a variety of purposes, such as an
in-band management network "on top" of the original IGP topology,
maintaining separate IGP routing domains for isolated multicast or
IPv6 islands within the backbone, or forcing a subset of an address
space to follow a different topology. [STANDARDS TRACK]
This document is a product of the IS-IS for IP Internets
Working Group of the IETF.
This is now a Proposed Standard Protocol.
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 Internet
Official Protocol Standards (STD 1) for the standardization state and
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