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RFC 9985
Title: Optimizing Bidirectional Forwarding Detection (BFD)
Authentication
Author: M. Jethanandani,
A. Mishra,
J. Haas,
A. Saxena,
M. Bhatia
Status: Experimental
Stream: IETF
Date: June 2026
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 20
I-D Tag: draft-ietf-bfd-optimizing-authentication-36
URL: https://www.rfc-editor.org/info/rfc9985
DOI: 10.17487/RFC9985
This document describes an experimental optimization to Bidirectional
Forwarding Detection (BFD) Authentication. This optimization enables BFD to
scale better when there is a desire to use authentication where applying the
same authentication mechanism to every BFD Control Packet may adversely impact
performance. This optimization partitions BFD Authentication into a more
computationally intensive (MCI) mechanism that is applied to BFD significant
changes and a less computationally intensive (LCI) mechanism that is applied to
the majority of BFD Control Packets.
This document is a product of the Bidirectional Forwarding Detection Working
Group of the IETF.
EXPERIMENTAL: This memo defines an Experimental Protocol for the
Internet community. It does not specify an Internet standard of any
kind. Discussion and suggestions for improvement are requested.
Distribution of this memo is unlimited.
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