Multicast VPN Fast Upstream Failover

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Publisher: IETF
Doc Type: Standard
Pages: 22
Abstract: This document defines Multicast Virtual Private Network (VPN) extensions and procedures that allow fast failover for upstream failures by allowing downstream Provider Edges (PEs) to consider the status of Provider-Tunnels (P-tunnels) when selecting the Upstream PE for a VPN multicast flow. The fast failover is enabled by using "Bidirectional Forwarding Detection (BFD) for Multipoint Networks" (RFC 8562) and the new BGP Attribute, BFD Discriminator. Also, this document introduces a new BGP Community, Standby PE, extending BGP Multicast VPN (MVPN) routing so that a C-multicast route can be advertised toward a Standby Upstream PE.
Publication Date: 2021-04-01
Status Note: Proposed Standard
DOI: 10.17487/RFC9026
Link: https://doi.org/10.17487/RFC9026
Author(s): Thomas Morin
Robert Kebler
Greg Mirsky
Keyword(s): BFD, P2MP

Latest version of IETF RFC 9026

Document Versions — IETF RFC 9026

▶ IETF RFC 9026 (2021-04-01)

THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

IETF RFC 2119 [Active*]
IETF RFC 4271 [Active*]
IETF RFC 4875 [Active*]
IETF RFC 5880 [Active*]
IETF RFC 6513 [Active*]
IETF RFC 6514 [Active*]
IETF RFC 7606 [Active*]
IETF RFC 8126 [Active*]
IETF RFC 8174 [Active*]
IETF RFC 8562 [Active*]

Bibliographic Reference(s)

IETF.draft-mirsky-mpls-p2mp-bfd-14 — MPLS-P2MP-BFD EXTERNAL
IETF RFC 1122 [Active*]
IETF RFC 4090 [Active*]
IETF RFC 4291 [Active*]
IETF RFC 7431 [Active*]

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doi: 10.17487/RFC9026
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Referenced By

IETF RFC 9780 [Active*]