[trill] I-D Action: draft-ietf-trill-resilient-trees-02.txt
internet-drafts@ietf.org Mon, 29 December 2014 06:50 UTC
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Subject: [trill] I-D Action: draft-ietf-trill-resilient-trees-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Transparent Interconnection of Lots of Links Working Group of the IETF. Title : TRILL Resilient Distribution Trees Authors : Mingui Zhang Tissa Senevirathne Janardhanan Pathangi Ayan Banerjee Anoop Ghanwani Filename : draft-ietf-trill-resilient-trees-02.txt Pages : 19 Date : 2014-12-28 Abstract: TRILL protocol provides multicast data forwarding based on IS-IS link state routing. Distribution trees are computed based on the link state information through Shortest Path First calculation. 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 specifies how to build backup distribution trees 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. This minimizes the service disruption. This document updates RFC 6325. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-trill-resilient-trees/ There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-trill-resilient-trees-02 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=draft-ietf-trill-resilient-trees-02 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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