A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Extended Encoding Scheme for Shared List Link Group (SRLG)
Author(s) : Zafar Ali
George Swallow
Clarence Filsfils
Ori Gerstel
Stewart Bryant
Matt Hartley
Filename : draft-ali-ccamp-extended-srlg-00.txt
Pages : 8
Date : 2013-02-18
Abstract:
SRLGs play a key role in routing resiliency and capacity planning of
multi-domain and multi-layer networks. Notion of SRLG are used to select a
backup path that is disjoint from the primary path, to ensure disjointness
of circuits and to avoid catastrophic partitioning outages.
In the current specifications, SRLG is identified as a 32 bit number that
is unique within an IGP domain [RFC4202]. There are many limitations to
this approach of encoding SRLGs, especially in a multi-layer network. This
draft outlines these limitations and suggests components of extended SRLG
encoding scheme to address them.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ali-ccamp-extended-srlg
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ali-ccamp-extended-srlg-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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