[Pals] I-D Action: draft-ietf-pals-endpoint-fast-protection-04.txt
internet-drafts@ietf.org Sun, 13 November 2016 22:40 UTC
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Subject: [Pals] I-D Action: draft-ietf-pals-endpoint-fast-protection-04.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 Pseudowire And LDP-enabled Services of the IETF. Title : PW Endpoint Fast Failure Protection Authors : Yimin Shen Rahul Aggarwal Wim Henderickx Yuanlong Jiang Filename : draft-ietf-pals-endpoint-fast-protection-04.txt Pages : 37 Date : 2016-11-13 Abstract: This document specifies a fast mechanism for protecting pseudowires against egress endpoint failures, including egress attachment circuit failure, egress PE failure, multi-segment PW terminating PE failure, and multi-segment PW switching PE failure. Operating on the basis of multi-homed CE, redundant PWs, upstream label assignment and context specific label switching, the mechanism enables local repair to be performed by the router upstream adjacent to a failure. The router can restore a PW in the order of tens of milliseconds, by rerouting traffic around the failure to a protector through a pre-established bypass tunnel. Therefore, the mechanism can be used to reduce traffic loss before global repair reacts to the failure and the network converges on the topology changes due to the failure. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pals-endpoint-fast-protection/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-pals-endpoint-fast-protection-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pals-endpoint-fast-protection-04 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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