OSPFv3 Extensions for BIER
draft-psenak-bier-ospfv3-extensions-00

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Last updated 2018-05-03 (latest revision 2017-10-30)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-psenak-bier-ospfv3-extensions-00.txt

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 OSPFv3 protocol extensions required for BIER.

Authors

Peter Psenak (ppsenak@cisco.com)
Nagendra Kumar (naikumar@cisco.com)
IJsbrand Wijnands (ice@cisco.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)