BIER Underlay Path Calculation Algorithm and Constraints

Document Type Expired Internet-Draft (bier WG)
Last updated 2019-05-20 (latest revision 2018-11-16)
Stream IETF
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Expired & archived
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IESG IESG state Expired
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This Internet-Draft is no longer active.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 general rules for interaction between the BAR (BIER Algorithm) and IPA (IGP Algorithm) fields defined in ISIS/ OSPFv2 Extensions for BIER.


Zhaohui Zhang (
Tony Przygienda (
Andrew Dolganow (
Hooman Bidgoli (
IJsbrand Wijnands (
Arkadiy Gulko (

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