SR Policies Extensions for Path Segment and Bidirectional Path in BGP-LS

Document Type Expired Internet-Draft (idr WG)
Authors Cheng Li  , Zhenbin Li  , China Telecom  , Weiqiang Cheng  , Ketan Talaulikar 
Last updated 2020-05-04 (latest revision 2019-11-01)
Replaces draft-li-idr-bgp-ls-sr-policy-path-segment
Stream Internent Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies the way of collecting configuration and states of SR policies carrying Path Segment and bidirectional path information by using BPG-LS. Such information can be used by external conponents for many use cases such as performance measurement, path re-optimization and end-to-end protection.


Cheng Li (
Zhenbin Li (
China Telecom (
Weiqiang Cheng (
Ketan Talaulikar (

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