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Multicast VPN State Damping (RFC7899)

IP.com Disclosure Number: IPCOM000246765D
Original Publication Date: 2016-Jun-01
Included in the Prior Art Database: 2016-Jun-29
Document File: 36 page(s) / 41K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

T. Morin: AUTHOR [+7]


In a multicast VPN [RFC6513] deployed with BGP-based procedures [RFC6514], when receivers in VPN sites join and leave a given multicast group or channel through multicast membership control protocols (Internet Group Management Protocol (IGMP) [RFC3376] and Multicast Listener Discovery (MLD) [RFC3810]), multicast routing protocols accordingly adjust multicast routing states and P-multicast tree states to forward or prune multicast traffic to these receivers. Similar challenges arise in the context of the multicast specification for Virtual Private LAN Service (VPLS) [RFC7117].

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Internet Engineering Task Force (IETF)                     T. Morin, Ed. Request for Comments: 7899                                  S. Litkowski Updates: 6514                                                     Orange Category: Standards Track                                       K. Patel ISSN: 2070-1721                                            Cisco Systems                                                                 Z. Zhang                                                                R. Kebler                                                                  J. Haas                                                         Juniper Networks                                                                June 2016

                       Multicast VPN State Damping


   This document describes procedures to damp Multicast VPN (MVPN)    routing state changes and control the effect of the churn due to the    multicast dynamicity in customer sites.  The procedures described in    this document are applicable to BGP-based multicast VPN and help    avoid uncontrolled control-plane load increase in the core routing    infrastructure.  The new procedures proposed were inspired by BGP    unicast route damping principles that have been adapted to multicast.

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 7841.

   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/info/rfc7899.

 Morin, et al.                Standards Track                    [Page 1]
 RFC 7899                      MVPN Damping                     June 2016

 Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this...