%% You should probably cite draft-ietf-idr-bgp-ls-sr-policy-path-segment instead of this I-D. @techreport{li-idr-bgp-ls-sr-policy-path-segment-03, number = {draft-li-idr-bgp-ls-sr-policy-path-segment-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-li-idr-bgp-ls-sr-policy-path-segment/03/}, author = {Cheng Li and China Telecom and Mach Chen and Jie Dong and Zhenbin Li}, title = {{SR Policies Extensions for Path Segment and Bidirectional Path in BGP-LS}}, pagetotal = 10, year = 2019, month = aug, day = 8, abstract = {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.}, }