Multicast Extensions to OSPF (mospf) ------------------------------------ Charter Last Modified: 05/21/2001 Current Status: Concluded Working Group Chair(s): John Moy Routing Area Director(s): Bill Fenner Alex Zinin Routing Area Advisor: <0> Mailing Lists: General Discussion:mospf@gated.cornell.edu To Subscribe: mospf-request@gated.cornell.edu Archive: Description of Working Group: This working group will extend the OSPF routing protocol so that it will be able to efficiently route IP multicast packets. This will produce a new (multicast) version of the OSPF protocol, which will be as compatible as possible with the present version (packet formats and most of the algorithms will hopefully remain unaltered). Goals and Milestones: Done Review outline of proposed changes to OSPF. Identify any unresolved issues and, if possible, resolve them. Done Become familiar with the IGMP protocol as documented in RFC 1112. Survey existing work on multicast routing, in particular, Steve Deering's paper ``Multicast Routing in Internetworks and Extended LANs''. Identify areas where OSPF must be extended to support multicast routing. Identify possible points of contention. Done The group should have a draft specification. Discuss the specification and make any necessary changes. Discuss implementation methods, using as an example, the existing BSD OSPF code, written by Rob Coltun of the University of Maryland. Done Report on implementations of the new multicast OSPF. Fix any problems in the specification that were found by the implementations. Done Submit the MOSPF Specification to the IESG as a Proposed Standard. JUN 96 Update MOSPF to reflect current usage, document interoperability between implementations, and submit to the IESG for consideration as a Draft Standard. DEC 96 Submit MOSPF to IESG for consideration as a Standard. DEC 96 Document interoperability between MOSPF and DVMRP, and submit as an Informational RFC. Internet-Drafts: No Current Internet-Drafts. Request For Comments: RFC Stat Published Title ------- -- ----------- ------------------------------------ RFC1469 PS JUN 93 IP Multicast over Token-Ring Local Area Networks RFC1584 PS MAR 94 Multicast Extensions to OSPF RFC1585 I MAR 94 MOSPF: Analysis and Experience