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IETF RFC 8444
[ACTIVE]

OSPFv2 Extensions for Bit Index Explicit Replication (BIER)

Metadata

Publisher
IETF
Doc Type
Standard
Pages
12
Abstract
Bit Index Explicit Replication (BIER) is an architecture that provides optimal multicast forwarding through a "BIER domain" without requiring intermediate routers to maintain multicast-related, per- flow state. BIER also does not require an explicit tree-building protocol for its operation. A multicast data packet enters a BIER domain at a Bit-Forwarding Ingress Router (BFIR) and leaves the BIER domain at one or more Bit-Forwarding Egress Routers (BFERs). The BFIR adds a BIER packet header to the packet. The BIER packet header contains a BitString in which each bit represents exactly one BFER to forward the packet to. The set of BFERs to which the multicast packet needs to be forwarded is expressed by the set of bits in the BIER packet header. This document describes the OSPF protocol extension (from RFC 2328) that is required for BIER with MPLS encapsulation (which is defined in RFC 8296). Support for other encapsulation types and the use of multiple encapsulation types are outside the scope of this document.
Publication Date
2018-11-01
Status Note
Proposed Standard
DOI
10.17487/RFC8444
Link
https://doi.org/10.17487/RFC8444
Author(s)
Peter Psenak
Nagendra Kumar Nainar
IJsbrand Wijnands
Andrew Dolganow
Tony Przygienda
Zhaohui (Jeffrey) Zhang
Sam Aldrin
Latest version of IETF RFC 8444

Document Versions — IETF RFC 8444

  • ▶ IETF RFC 8444 (2018-11-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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Amended by:
IETF RFC 9272 [Active*]

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IETF RFC 8444, OSPFv2 Extensions for Bit Index Explicit Replication (BIER). Available at https://doi.org/10.17487/RFC8444
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IETF RFC 8444, OSPFv2 Extensions for Bit Index Explicit Replication (BIER). Available at https://doi.org/10.17487/RFC8444

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IETF RFC 8444, OSPFv2 Extensions for Bit Index Explicit Replication (BIER). Available at https://doi.org/10.17487/RFC8444
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<span class="citation"><cite>IETF RFC 8444</cite>, OSPFv2 Extensions for Bit Index Explicit Replication (BIER). Available at <a href="https://doi.org/10.17487/RFC8444" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8444</a></span>

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IETF RFC 8444, OSPFv2 Extensions for Bit Index Explicit Replication (BIER)
doi: 10.17487/RFC8444
url: https://doi.org/10.17487/RFC8444
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<li>
<cite id="bib-rfc8444">IETF RFC 8444</cite>, OSPFv2 Extensions for Bit Index Explicit Replication (BIER)
<span class="doi">10.17487/RFC8444</span>
</li>

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