Internet-Draft draft-ietf-bess-evpn-ipvpn-interworking-18.txt is now
available. It is a work item of the BGP Enabled ServiceS (BESS) WG of the
IETF.
Title: Interconnecting EVPN and IPVPN Domains
Authors: J. Rabadan
A. Sajassi
E. Rosen
J. Drake
W. Lin
J. Uttaro
A. Simpson
Name: draft-ietf-bess-evpn-ipvpn-interworking-18.txt
Pages: 39
Dates: 2026-03-10
Abstract:
Ethernet Virtual Private Network (EVPN) provides a unified BGP
control plane for both intra- and inter-subnet forwarding within
tenant networks. When a tenant network spans multiple domains,
including any combination of EVPN and IPVPN domains, it becomes
necessary to define the interworking mechanisms among these BGP
domains (EVPN and IPVPN) to ensure seamless end-to-end tenant
connectivity. This document defines these interworking procedures.
In addition, this document defines a new BGP Path Attribute, referred
to as D-PATH (Domain PATH), which provides loop prevention for
gateway nodes by protecting against control plane loops. The
introduction of D-PATH modifies the BGP best path selection process
for Multiprotocol BGP inter-subnet forwarding routes of SAFI 128
(IPVPN) and SAFI 70 (EVPN).
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-ipvpn-interworking/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-ipvpn-interworking-18
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-ipvpn-interworking-18
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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