https://app.kbone.net/vault/rfc/docid/5641
RFC5172: Negotiation for IPv6 Datagram Compression Using IPv6 Control Protocol
Network Working Group S. Varada, Ed. Request for Comments: 5172 Transwitch Obsoletes: 2472 March 2008 Category: Standards Track Negotiation for IPv6 Datagram Compression Usin...