[bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-09.txt

internet-drafts@ietf.org Thu, 20 June 2024 15:13 UTC

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Subject: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-09.txt
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Internet-Draft draft-ietf-bess-evpn-mh-split-horizon-09.txt is now available.
It is a work item of the BGP Enabled ServiceS (BESS) WG of the IETF.

   Title:   EVPN Multi-Homing Extensions for Split Horizon Filtering
   Authors: Jorge Rabadan
            Kiran Nagaraj
            Wen Lin
            Ali Sajassi
   Name:    draft-ietf-bess-evpn-mh-split-horizon-09.txt
   Pages:   20
   Dates:   2024-06-20

Abstract:

   Ethernet Virtual Private Network (EVPN) is commonly used with Network
   Virtualization Overlay (NVO) tunnels, as well as MPLS and Segment
   Routing tunnels.  The multi-homing procedures in EVPN may vary based
   on the type of tunnel used within the EVPN Broadcast Domain.
   Specifically, there are two multi-homing Split Horizon procedures
   designed to prevent looped frames on multi-homed Customer Edge (CE)
   devices: the ESI Label-based procedure and the Local Bias procedure.
   The ESI Label-based Split Horizon is applied to MPLS-based tunnels,
   such as MPLSoUDP, while the Local Bias procedure is used for other
   tunnels, such as VXLAN.

   Current specifications do not allow operators to choose which Split
   Horizon procedure to use for tunnel encapsulations that support both
   methods.  Examples of tunnels that may support both procedures
   include MPLSoGRE, MPLSoUDP, GENEVE, and SRv6.  This document updates
   the EVPN multi-homing procedures described in RFC 8365 and RFC 7432,
   enabling operators to select the appropriate Split Horizon procedure
   for a given tunnel based on their specific requirements.

The IETF datatracker status page for this Internet-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-09

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-mh-split-horizon-09

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

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