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RFC 8405
Title: Shortest Path First (SPF) Back-Off Delay
Algorithm for Link-State IGPs
Author: B. Decraene,
S. Litkowski,
H. Gredler,
A. Lindem,
P. Francois,
C. Bowers
Status: Standards Track
Stream: IETF
Date: June 2018
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 14
Characters: 28446
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-rtgwg-backoff-algo-10.txt
URL: https://www.rfc-editor.org/info/rfc8405
DOI: 10.17487/RFC8405
This document defines a standard algorithm to temporarily postpone or
"back off" link-state IGP Shortest Path First (SPF) computations.
This reduces the computational load and churn on IGP nodes when
multiple temporally close network events trigger multiple SPF
computations.
Having one standard algorithm improves interoperability by reducing
the probability and/or duration of transient forwarding loops during
the IGP convergence when the IGP reacts to multiple temporally close
IGP events.
This document is a product of the Routing Area Working Group 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
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