BIER Penultimate Hop Popping
draft-zzhang-bier-php-01

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Last updated 2019-02-04 (latest revision 2018-08-03)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-zzhang-bier-php-01.txt

Abstract

Bit Index Explicit Replication (BIER) can be used as provider tunnel for MVPN/GTM [RFC6514] [RFC7716] or EVPN BUM [RFC7432]. It is possible that not all routers in the provider network support BIER and there are various methods to handle BIER incapable transit routers. However the MVPN/EVPN PEs are assumed to be BIER capable - they are BFIRs/BFERs. This document specifies a method to allow BIER incapable routers to act as MVPN/EVPN PEs with BIER as the transport, by having the upstream BFR (connected directly or indirectly via a tunnel) of a PE remove the BIER header and send the payload to the PE.

Authors

Zhaohui Zhang (zzhang@juniper.net)

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