BGP Request for Candidate Paths of SR TE Policies

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Authors Zhenbin Li  , Lei Li , Huaimo Chen  , Yanhe Fan  , Xufeng Liu 
Last updated 2020-09-12 (latest revision 2020-03-11)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


An SR Policy is a set of candidate paths. The headend of an SR Policy may learn multiple candidate paths for an SR Policy via a number of different mechanisms, e.g., CLI, NetConf, PCEP, or BGP. This document defines extensions to BGP for the headend to request BGP speaker (controller) for advertising the candidate paths.


Zhenbin Li (
Lei Li (
Huaimo Chen (
Yanhe Fan (
Xufeng Liu (

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