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 Working Group 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-00.txt
Pages : 8
Date : 2015-04-27
Abstract:
Bit Index Explicit Replication (BIER) is an architecture that
provides optimal multicast forwarding through a "BIER domain" without
requiring intermediate routers to maintain any multicast related per-
flow state. BIER also does not require any 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. The BIER 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 setting the bits that
correspond to those routers in the BIER 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's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-bier-ospf-bier-extensions-00
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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