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Overview of the Internet Multicast Routing Architecture (RFC5110)

IP.com Disclosure Number: IPCOM000167196D
Original Publication Date: 2008-Jan-01
Included in the Prior Art Database: 2008-Feb-02
Document File: 26 page(s) / 56K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Savola: AUTHOR

Abstract

This document describes multicast routing architectures that are currently deployed on the Internet. This document briefly describes those protocols and references their specifications.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group                                          P. Savola Request for Comments: 5110                                     CSC/FUNET Category: Informational                                     January 2008

         Overview of the Internet Multicast Routing Architecture

Status of This Memo

   This memo provides information for the Internet community.  It does    not specify an Internet standard of any kind.  Distribution of this    memo is unlimited.

Abstract

   This document describes multicast routing architectures that are    currently deployed on the Internet.  This document briefly describes    those protocols and references their specifications.

   This memo also reclassifies several older RFCs to Historic.  These    RFCs describe multicast routing protocols that were never widely    deployed or have fallen into disuse.

Table of Contents

   1. Introduction ....................................................3

      1.1. Multicast-Related Abbreviations ............................4

   2. Multicast Routing ...............................................4

      2.1. Setting up Multicast Forwarding State ......................5

           2.1.1. PIM-SM ..............................................5

           2.1.2. PIM-DM ..............................................5

           2.1.3. Bidirectional PIM ...................................6

           2.1.4. DVMRP ...............................................6

           2.1.5. MOSPF ...............................................7

           2.1.6. BGMP ................................................7

           2.1.7. CBT .................................................7

           2.1.8. Interactions and Summary ............................7

      2.2. Distributing Topology Information ..........................8

           2.2.1. Multiprotocol BGP ...................................8

           2.2.2. OSPF/IS-IS Multi-Topology Extensions ................9

           2.2.3. Issue: Overlapping Unicast/Multicast Topology .......9

           2.2.4. Summary ............................................10

      2.3. Learning (Active) Sources .................................10

           2.3.1. SSM ................................................11

           2.3.2. MSDP ...............................................11

           2.3.3. Embedded-RP ........................................11

           2.3.4. Summary ............................................12

 Savola                       Informational                      [Page 1]
 RFC 5110      ...