HTTP/2 200 date: Wed, 08 Oct 2025 06:10:39 GMT content-type: text/plain; charset=utf-8 content-encoding: gzip content-security-policy: default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ https://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com cross-origin-opener-policy: unsafe-none etag: W/"9a481d9f764c0e9dd33ed1141d2734fd" referrer-policy: strict-origin-when-cross-origin strict-transport-security: max-age=3600; includeSubDomains vary: Cookie, Accept-Encoding x-content-type-options: nosniff x-frame-options: SAMEORIGIN cf-cache-status: MISS expires: Wed, 08 Oct 2025 10:10:39 GMT cache-control: public, max-age=14400 set-cookie: __cf_bm=CdNrd1mpw6sEBeEaFb7buFGaLRohHpFS25XQjECh0CI-1759903839-1.0.1.1-p4egbDGtnrjFG7.Gj1oI2Lod5uLdlqEI0c0L6.1tMk28v_rpVulXjYZl__0IW2o210SDsVio505j5nDTOcNkmlDGdILhK_Bco4Oqwk7dqGU; path=/; expires=Wed, 08-Oct-25 06:40:39 GMT; domain=.ietf.org; HttpOnly; Secure; SameSite=None server: cloudflare cf-ray: 98b379ee6874d86d-BLR alt-svc: h3=":443"; ma=86400 @misc{rfc9272, series = {Request for Comments}, number = 9272, howpublished = {RFC 9272}, publisher = {RFC Editor}, doi = {10.17487/RFC9272}, url = {https://www.rfc-editor.org/info/rfc9272}, author = {Zhaohui (Jeffrey) Zhang and Tony Przygienda and Andrew Dolganow and Hooman Bidgoli and IJsbrand Wijnands and Arkadiy Gulko}, title = {{Underlay Path Calculation Algorithm and Constraints for Bit Index Explicit Replication (BIER)}}, pagetotal = 6, year = 2022, month = sep, abstract = {This document specifies general rules for the interaction between the BIER Algorithm (BAR) and the IGP Algorithm (IPA) used for underlay path calculation within the Bit Index Explicit Replication (BIER) architecture. The semantics defined in this document update RFC 8401 and RFC 8444. This document also updates the "BIER Algorithm" registry established in RFC 8401.}, }