[Bier] I-D Action: draft-ietf-bier-non-mpls-bift-encoding-04.txt

internet-drafts@ietf.org Sun, 30 May 2021 16:05 UTC

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Subject: [Bier] I-D Action: draft-ietf-bier-non-mpls-bift-encoding-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 Bit Indexed Explicit Replication WG of the IETF.

        Title           : An Optional Encoding of the BIFT-id Field in the non-MPLS BIER Encapsulation
        Authors         : IJsbrand Wijnands
                          Mankamana Mishra
                          Xiaohu Xu
                          Hooman Bidgoli
	Filename        : draft-ietf-bier-non-mpls-bift-encoding-04.txt
	Pages           : 6
	Date            : 2021-05-30

   Bit Index Explicit Replication (BIER) is an architecture that
   provides optimal multicast forwarding through a "multicast domain",
   without requiring intermediate routers to maintain any per-flow state
   or to engage in an explicit tree-building protocol.  The Multicast
   packet is encapsulated using a BIER Header and transported through an
   MPLS or non-MPLS network.  When MPLS is used as the transport, the
   Bit Indexed Forwarding Table (BIFT) is identified by a MPLS Label.
   When non-MPLS transport is used, the BIFT is identified by a 20bit
   value.  This document describes one way of encoding the 20bit value.

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