%% You should probably cite rfc9272 instead of this I-D. @techreport{ietf-bier-bar-ipa-06, number = {draft-ietf-bier-bar-ipa-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-bier-bar-ipa/06/}, author = {Zhaohui (Jeffrey) Zhang and Tony Przygienda and Andrew Dolganow and Hooman Bidgoli and IJsbrand Wijnands and Arkadiy Gulko}, title = {{BIER Underlay Path Calculation Algorithm and Constraints}}, pagetotal = 6, year = 2019, month = nov, day = 4, abstract = {This document specifies general rules for interaction between the BAR (BIER Algorithm) and IPA (IGP Algorithm) fields defined in ISIS/ OSPFv2 Extensions for BIER. The semantics for the BAR and IPA fields (when both or any of them is non-zero) defined in this document updates the semantics defined in RFC8444/RFC8401.}, }