I-D Action: draft-ietf-bfd-rfc5884-bis-01.txt
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Internet-Draft draft-ietf-bfd-rfc5884-bis-01.txt is now available. It is a
work item of the Bidirectional Forwarding Detection (BFD) WG of the IETF.
Title: Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)
Authors: Rahul Aggarwal
Kireeti Kompella
Thomas D. Nadeau
George Swallow
Vengada Prasad Govindan
Kalyani Rajaraman
Gregory Mirsky
Sam Aldrin
Name: draft-ietf-bfd-rfc5884-bis-01.txt
Pages: 19
Dates: 2026-08-15
Abstract:
One desirable application of Bidirectional Forwarding Detection (BFD)
is to detect a Multiprotocol Label Switching (MPLS) Label Switched
Path (LSP) data plane failure. LSP Ping is an existing mechanism for
detecting MPLS data plane failures and for verifying the MPLS LSP
data plane against the control plane. BFD can be used for the
former, but not for the latter. However, the control plane
processing required for BFD Control packets is relatively smaller
than the processing required for LSP Ping messages. A combination of
LSP Ping and BFD can be used to provide faster data plane failure
detection and/or make it possible to provide such detection on a
greater number of LSPs. This document describes the applicability of
BFD in relation to LSP Ping for this application. It also describes
procedures for using BFD in this environment. This document
obsoletes RFC5884 and RFC7726.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-bfd-rfc5884-bis/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-bfd-rfc5884-bis-01.html
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-bfd-rfc5884-bis-01
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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