[New-wg-docs] I-D Action: draft-ietf-bess-extended-evpn-optimized-ir-00.txt

internet-drafts@ietf.org Thu, 20 February 2020 16:58 UTC

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Subject: [New-wg-docs] I-D Action: draft-ietf-bess-extended-evpn-optimized-ir-00.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 BGP Enabled ServiceS WG of the IETF.

        Title           : Extended Procedures for EVPN Optimized Ingress Replication
        Authors         : Wen Lin
                          Selvakumar Sivaraj
                          Vishal Garg
                          Jorge Rabadan
	Filename        : draft-ietf-bess-extended-evpn-optimized-ir-00.txt
	Pages           : 13
	Date            : 2020-02-19

   [EVPN-AR] specifies an optimized ingress replication solution for
   more efficient multicast and broadcast delivery in a Network
   Virtualization Overlay (NVO) network for EVPN.

   This document extends the optimized ingress replication procedures
   specified in [EVPN-AR] to overcome the limitation that an AR-
   REPLICATOR may have.  An AR-REPLICATOR may be unable to retain the
   source IP address or include the expected ESI label that is required
   for EVPN split horizon filtering when replicating the packet on
   behalf of its multihomed AR-LEAF.  Under this circumstance, the
   extended procedures specified in this document allows the support of
   EVPN multihoming on the AR-LEAFs as well as optimized ingress
   replication for the rest of the EVPN overlay network.

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