Internet-Draft draft-ietf-bess-evpn-ipvpn-interworking-15.txt is now
available. It is a work item of the BGP Enabled ServiceS (BESS) WG of the
IETF.
Title: EVPN Interworking with IPVPN
Authors: J. Rabadan
A. Sajassi
E. Rosen
J. Drake
W. Lin
J. Uttaro
A. Simpson
Name: draft-ietf-bess-evpn-ipvpn-interworking-15.txt
Pages: 38
Dates: 2025-11-21
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 EVPN domains as well as domains that use BGP VPN-IP or IP
address families for inter-subnet forwarding — it becomes necessary
to define the interworking mechanisms among these BGP domains (EVPN,
VPN-IP, and IP) to ensure seamless end-to-end tenant connectivity.
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 routes of SAFI 128 (IPVPN) and EVPN IP Prefix
routes. As a result, this specification updates the BGP best path
selection procedure, but only in the context of IPVPN and EVPN route
families.
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-15
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-ipvpn-interworking-15
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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