Internet-Draft draft-ietf-bess-evpn-dpath-05.txt is now available. It is a
work item of the BGP Enabled ServiceS (BESS) WG of the IETF.
Title: Domain Path (D-PATH) for Ethernet VPN (EVPN) Interconnect Networks
Authors: J. Rabadan
S. Sathappan
M. Gautam
P. Brissette
W. Lin
Name: draft-ietf-bess-evpn-dpath-05.txt
Pages: 18
Dates: 2026-10-30
Abstract:
The BGP Domain PATH (D-PATH) attribute is defined for Inter-Subnet
Forwarding (ISF) BGP Sub-Address Families that advertise IP prefixes
or MAC addresses. D-PATH already applies to EVPN Route Type 2 when
used for ISF, to EVPN Route Type 5 (IP Prefix routes), and to IP-VPN
routes. When used along with those routes, it identifies the
domain(s) through which the routes have passed and that information
can be used by the receiver BGP speakers to detect routing loops or
influence the BGP best path selection. This document extends the use
of D-PATH to EVPN Route Type 2 when not used for ISF, to EVPN Route
Type 1 (Ethernet Auto-Discovery per-EVI) for EVPN VPWS, and to EVPN
Route Type 3 (Inclusive Multicast Ethernet Tag routes).
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-dpath/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-dpath-05
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-dpath-05
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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