https://app.kbone.net/vault/rfc/docid/1253
RFC1112: Host extensions for IP multicasting
Network Working Group S. Deering Request for Comments: 1112 Stanford University Obsoletes: RFCs 988, 1054 August 1989 Host Extensions for IP Multicasting 1. STATUS OF THIS MEM...
https://app.kbone.net/vault/rfc/docid/1978
RFC1768: Host Group Extensions for CLNP Multicasting
Network Working Group D. Marlow Request for Comments: 1768 NSWC-DD Category: Experimental March 1995 Host Group Extensions for CLNP Multicasting Status of this...