[Bier] I-D Action: draft-ietf-bier-ospf-bier-extensions-08.txt
internet-drafts@ietf.org Tue, 03 October 2017 15:01 UTC
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Subject: [Bier] I-D Action: draft-ietf-bier-ospf-bier-extensions-08.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 Bit Indexed Explicit Replication WG of the IETF. Title : OSPF Extensions for BIER Authors : Peter Psenak Nagendra Kumar IJsbrand Wijnands Andrew Dolganow Tony Przygienda Jeffrey Zhang Sam Aldrin Filename : draft-ietf-bier-ospf-bier-extensions-08.txt Pages : 11 Date : 2017-10-03 Abstract: Bit Index Explicit Replication (BIER) is an architecture that provides multicast forwarding through a "BIER domain" without requiring intermediate routers to maintain multicast related per-flow state. Neither does BIER require an explicit tree-building protocol for its operation. A multicast data packet enters a BIER domain at a "Bit-Forwarding Ingress Router" (BFIR), and leaves the BIER domain at one or more "Bit-Forwarding Egress Routers" (BFERs). The BFIR router adds a BIER header to the packet. Such header contains a bit-string in which each bit represents exactly one BFER to forward the packet to. The set of BFERs to which the multicast packet needs to be forwarded is expressed by the according set of bits set in BIER packet header. This document describes the OSPF protocol extension required for BIER with MPLS encapsulation. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-bier-ospf-bier-extensions/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-bier-ospf-bier-extensions-08 https://datatracker.ietf.org/doc/html/draft-ietf-bier-ospf-bier-extensions-08 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-bier-ospf-bier-extensions-08 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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