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-02.txt
Pages : 15
Date : 2021-10-15
Abstract:
Ethernet Virtual Private Network (EVPN) is commonly used along with
Network Virtualization Overlay (NVO) tunnels. The EVPN multi-homing
procedures may be different depending on the NVO 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 current 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 extends the EVPN Multi-Homing procedures so that
an operator can decide the Split Horizon procedure for a given NVO
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-02
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-evpn-mh-split-horizon-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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