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RFC 9747
Title: Unaffiliated Bidirectional Forwarding Detection (BFD)
Echo
Author: W. Cheng,
R. Wang,
X. Min, Ed.,
R. Rahman,
R. Boddireddy
Status: Standards Track
Stream: IETF
Date: March 2025
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 12
Updates: RFC 5880
I-D Tag: draft-ietf-bfd-unaffiliated-echo-14.txt
URL: https://www.rfc-editor.org/info/rfc9747
DOI: 10.17487/RFC9747
This document specifies an extension to the Bidirectional Forwarding
Detection (BFD) protocol that enables the use of the BFD Echo
function without the need for an associated BFD control session. This
"Unaffiliated BFD Echo" mechanism allows rapid detection of
forwarding path failures in networks where establishing BFD control
sessions is impractical or undesirable. By decoupling the Echo
function from the control plane, network devices can utilize BFD's
fast failure detection capabilities in a simplified manner, enhancing
network resiliency and operational efficiency.
This document updates RFC 5880 by defining a new Unaffiliated BFD
Echo mechanism.
This document is a product of the Bidirectional Forwarding Detection Working
Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
memo is unlimited.
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