[bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-04.txt

internet-drafts@ietf.org Tue, 10 January 2023 14:17 UTC

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Date: Tue, 10 Jan 2023 06:17:51 -0800
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Subject: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-04.txt

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           : EVPN Multi-Homing Extensions for Split Horizon Filtering
        Authors         : Jorge Rabadan
                          Kiran Nagaraj
                          Wen Lin
                          Ali Sajassi
  Filename        : draft-ietf-bess-evpn-mh-split-horizon-04.txt
  Pages           : 18
  Date            : 2023-01-10

Abstract:
   Ethernet Virtual Private Network (EVPN) is commonly used along with
   Network Virtualization Overlay (NVO) tunnels, as well as MPLS and
   Segment Routing tunnels.  The EVPN multi-homing procedures may be
   different depending on the tunnel type used in the EVPN Broadcast
   Domain.  In particular, there are two multi-homing Split Horizon
   procedures to avoid looped frames on the multi-homed CE: ESI Label
   based and Local Bias.  ESI Label based Split Horizon is used for
   MPLSoX tunnels, E.g., MPLSoUDP, whereas Local Bias is used for
   others, E.g., VXLAN tunnels.  The existing specifications do not
   allow the operator to decide which Split Horizon procedure to use for
   tunnel encapsulations that could support both.  Examples of tunnels
   that may support both procedures are MPLSoGRE, MPLSoUDP, GENEVE or
   SRv6.  This document updates the EVPN Multi-Homing procedures so that
   an operator can decide the Split Horizon procedure for a given tunnel
   depending on their own requirements.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-mh-split-horizon/

There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-mh-split-horizon-04

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-mh-split-horizon-04


Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts

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