A New Internet-Draft is available from the on-line Internet-Drafts
directories. This Internet-Draft 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
Filename : draft-ietf-bess-evpn-mh-split-horizon-05.txt
Pages : 18
Date : 2023-04-07
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 other
tunnels, 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 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-05
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-mh-split-horizon-05
Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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