SPF Back-off algorithm for link state IGPs

The information below is for an old version of the document
Document Type Expired Internet-Draft (rtgwg WG)
Authors Bruno Decraene  , Stephane Litkowski  , Hannes Gredler  , Acee Lindem  , Pierre Francois  , Chris Bowers 
Last updated 2017-01-05 (latest revision 2016-07-04)
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Expired & archived
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Stream WG state WG Document
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines a standard algorithm to back-off link-state IGP 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 proximate IGP events.


Bruno Decraene (bruno.decraene@orange.com)
Stephane Litkowski (stephane.litkowski@orange.com)
Hannes Gredler (hannes@rtbrick.com)
Acee Lindem (acee@cisco.com)
Pierre Francois (pifranco@cisco.com)
Chris Bowers (cbowers@juniper.net)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)