A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : TRILL Resilient Distribution Trees
Author(s) : Mingui Zhang
Tissa Senevirathne
Janardhanan Pathangi
Ayan Banerjee
Anoop Ghanwani
Filename : draft-zhang-trill-resilient-trees-02.txt
Pages : 19
Date : 2013-04-23
Abstract:
TRILL protocol provides layer 2 multicast data forwarding using IS-IS
link state routing. Distribution trees are computed based on the link
state information through Shortest Path First calculation and shared
among VLANs across the campus. When a link on the distribution tree
fails, a campus-wide recovergence of this distribution tree will take
place, which can be time consuming and may cause considerable
disruption to the ongoing multicast service.
This document proposes to build the backup distribution tree to
protect links on the primary distribution tree. Since the backup
distribution tree is built up ahead of the link failure, when a link
on the primary distribution tree fails, the pre-installed backup
forwarding table will be utilized to deliver multicast packets
without waiting for the campus-wide recovergence, which minimizes the
service disruption.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-zhang-trill-resilient-trees
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-zhang-trill-resilient-trees-02
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-zhang-trill-resilient-trees-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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