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

Document Type Replaced Internet-Draft (idr WG)
Authors Cheng Li  , China Telecom  , Mach Chen  , Jie Dong  , Zhenbin Li 
Last updated 2019-10-25 (latest revision 2019-08-08)
Replaced by draft-ietf-idr-bgp-ls-sr-policy-path-segment
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-idr-bgp-ls-sr-policy-path-segment
Consensus Boilerplate Unknown
Telechat date
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This Internet-Draft is no longer active.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 (
China Telecom (
Mach Chen (
Jie Dong (
Zhenbin Li (

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