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Multicast in Virtual Private LAN Service (VPLS) (RFC7117)

IP.com Disclosure Number: IPCOM000234885D
Original Publication Date: 2014-Feb-01
Included in the Prior Art Database: 2014-Feb-12

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Aggarwal: AUTHOR [+6]


[RFC4761] and [RFC4762] describe a solution for VPLS multicast/broadcast that relies on the use of pseudowires transported over unicast point-to-point (P2P) RSVP Traffic Engineering (RSVP-TE) or multipoint-to-point (MP2P) LDP Label Switched Paths (LSPs) ([RFC3209] [RFC5036]). In this document, we refer to this solution as "ingress replication".

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Internet Engineering Task Force (IETF)                  R. Aggarwal, Ed. Request for Comments: 7117                              Juniper Networks Category: Standards Track                                      Y. Kamite ISSN: 2070-1721                                       NTT Communications                                                                  L. Fang                                                                Microsoft                                                               Y. Rekhter                                                         Juniper Networks                                                            C. Kodeboniya                                                            February 2014

             Multicast in Virtual Private LAN Service (VPLS)


   RFCs 4761 and 4762 describe a solution for Virtual Private LAN    Service (VPLS) multicast that relies on the use of point-to-point or    multipoint-to-point unicast Label Switched Paths (LSPs) for carrying    multicast traffic.  This solution has certain limitations for certain    VPLS multicast traffic profiles.  For example, it may result in    highly non-optimal bandwidth utilization when a large amount of    multicast traffic is to be transported.

   This document describes solutions for overcoming a subset of the    limitations of the existing VPLS multicast solution.  It describes    procedures for VPLS multicast that utilize multicast trees in the    service provider (SP) network.  The solution described in this    document allows sharing of one such multicast tree among multiple    VPLS instances.  Furthermore, the solution described in this document    allows a single multicast tree in the SP network to carry traffic    belonging only to a specified set of one or more IP multicast streams    from one or more VPLS instances.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/i...