I-D Action: draft-chen-bier-egress-protect-03.txt
internet-drafts@ietf.org Mon, 25 October 2021 20:26 UTC
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Subject: I-D Action: draft-chen-bier-egress-protect-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : BIER Egress Protection Authors : Huaimo Chen Mike McBride Aijun Wang Gyan S. Mishra Yisong Liu Michael Menth Boris Khasanov Xuesong Geng Yanhe Fan Lei Liu Xufeng Liu Filename : draft-chen-bier-egress-protect-03.txt Pages : 29 Date : 2021-10-25 Abstract: This document describes a mechanism for fast protection against the failure of an egress node of a "Bit Index Explicit Replication" (BIER) domain. It is called BIER egress protection. It does not require any per-flow state in the core of the domain. With BIER egress protection the failure of a primary BFER (Bit Forwarding Egress Router) is protected with a backup BFER such that traffic destined to the primary BFER in the BIER domain is fast rerouted by a neighbor BFR to the backup BFER on the BIER layer. The mechanism is applicable if all BIER traffic sent to the primary BFER can reach its destination also via the backup BFER. It is complementary to BIER- FRR which cannot protect against the failure of a BFER. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-chen-bier-egress-protect/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-chen-bier-egress-protect-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-chen-bier-egress-protect-03 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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