Browse Prior Art Database

Multicast-Only Fast Reroute (RFC7431) Disclosure Number: IPCOM000242818D
Original Publication Date: 2015-Aug-01
Included in the Prior Art Database: 2015-Aug-21
Document File: 28 page(s) / 29K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

A. Karan: AUTHOR [+4]


Different solutions have been developed and deployed to improve service guarantees, both for multicast video traffic and Video on Demand traffic. Most of these solutions are geared towards finding an alternate path around one or more failed network elements (link, node, or path failures).

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Internet Engineering Task Force (IETF)                          A. Karan Request for Comments: 7431                                   C. Filsfils Category: Informational                                IJ. Wijnands, Ed. ISSN: 2070-1721                                      Cisco Systems, Inc.                                                              B. Decraene                                                                   Orange                                                              August 2015

                       Multicast-Only Fast Reroute


   As IPTV deployments grow in number and size, service providers are    looking for solutions that minimize the service disruption due to    faults in the IP network carrying the packets for these services.    This document describes a mechanism for minimizing packet loss in a    network when node or link failures occur.  Multicast-only Fast    Reroute (MoFRR) works by making simple enhancements to multicast    routing protocols such as Protocol Independent Multicast (PIM) and    Multipoint LDP (mLDP).

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   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).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see 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

 Karan et al.                  Informational                     [Page 1]
 RFC 7431                          MoFRR                      August 2015

 Copyright Notice

   Copyright (c) 2015 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    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4...