Steve E. Deering, "RFC 988: Host Extensions for IP Multicasting," RFC 988, July 1986. This RFC has since been obsoleted; the most recent version is RFC 1112.

Tomas Pusateri, "RFC 1469: IP Multicast over Token-Ring Local Area Networks," (Work in Progress). This document actually recommends three methods of supporting IP multicast, but the third is not used.

Steve Deering, "RFC 1112: Host Extensions for IP Multicasting," August 1989. A now-obsolete "IGMPv0" is described in RFC 988.

William C. Fenner, "RFC 2236: Internet Group Management Protocol, Version 2," (Work in Progress).

Brad Cain, Steve Deering, Ajit Thyagarajan, "Internet Group Management Protocol, Version 3," <draft-ietf-idmr-igmp-v3-01.txt>, February 1999.

Dave Katz, "RFC 2113: IP Router Alert Option," (Work in Progress).

David Meyer, "RFC 2365: Administratively Scoped IP Multicast," (Work in Progress).

D. Waitzman, C. Partridga, and S. Deering, "RFC 1075: Distance Vector Multicast Routing Protocol," (Work in Progress).

Thomas Pusateri, "Distance Vector Multicast Routing Protocol," draft-ietf-idmr-dvmrp-v3-09, September 1999.

John Moy, "RFC 1584: Multicast Extensions to OSPF," (Work in Progress).

Tony Ballardie, "RFC 2189: Core Based Trees (CBT version 2) Multicast Routing," (Work in Progress).

Stephen Deering et al., "Protocol Independent Multicast Version 2 Dense Mode Specification," draft-ietf-pim-v2-dm-03.txt, March 1999.

Deborah Estrin et al., "RFC 2362: Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification," (Work in Progress).