Internet-Draft draft-ietf-spring-bfd-13.txt is now available. It is a work
item of the Source Packet Routing in Networking (SPRING) WG of the IETF.
Title: Bidirectional Forwarding Detection (BFD) in Segment Routing
Networks Using MPLS Dataplane
Authors: Greg Mirsky
Jeff Tantsura
Ilya Varlashkin
Mach(Guoyi) Chen
Jiang Wenying
Name: draft-ietf-spring-bfd-13.txt
Pages: 17
Dates: 2026-11-01
Abstract:
The Segment Routing (SR) architecture leverages the paradigm of
source routing. It can be realized in the Multiprotocol Label
Switching (MPLS) network without any changes to the data plane. This
document describes using Bidirectional Forwarding Detection (BFD) for
monitoring individual segment lists of candidate paths of an SR
Policy. It documents the use of various BFD modes and features such
as BFD Demand mode, Seamless BFD, and BFD Echo function with the BFD
Control packet payload in the Segment Routing over MPLS domain.
Also, this document defines how to use Label Switched Path Ping to
bootstrap a BFD session, with optional control of selecting a segment
list in the reverse direction of the BFD session.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-spring-bfd/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-spring-bfd-13.html
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-spring-bfd-13
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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