BGP-LS extensions for Preferred Path Routing

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Last updated 2019-11-18 (latest revision 2019-05-17)
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This document describe extensions to BGP-LS protocol to include Preferred Path Routing (PPR) information. This document also extends BGP-LS protocol and define new SAFIs and NLRIs for propagating path information from a central entity to a node in the network in the south bound direction.


Uma Chunduri (
Padma Pillay-Esnault (
Mohan Nanduri (

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