https://app.knowbase.one/vault/rfc/docid/936
RFC0966: Host groups: A multicast extension to the Internet Protocol
Network Working Group S. E. Deering Request for Comments: 966 D. R. Cheriton Stanford University December 1985 ...
https://app.knowbase.one/vault/rfc/docid/2911
RFC2627: Key Management for Multicast: Issues and Architectures
Network Working Group D. Wallner Request for Comments: 2627 E. Harder Category: Informational R. Agee National Security Agency ...