Loop avoidance using Segment Routing

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Authors Ahmed Bashandy  , Clarence Filsfils  , Stephane Litkowski  , Pierre Francois 
Last updated 2019-03-28 (latest revision 2018-09-24)
Replaces draft-francois-rtgwg-segment-routing-uloop
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document presents a mechanism aimed at providing loop avoidance in the case of IGP network convergence event. The solution relies on the temporary use of SR policies ensuring loop-freeness over the post-convergence paths from the converging node to the destination.


Ahmed Bashandy (abashandy.ietf@gmail.com)
Clarence Filsfils (cfilsfil@cisco.com)
Stephane Litkowski (stephane.litkowski@orange.com)
Pierre Francois (pfrpfr@gmail.com)

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