https://app.kbone.net/vault/rfc/docid/3909
RFC3542: Advanced Sockets Application Program Interface (API) for IPv6
Network Working Group W. Stevens Request for Comments: 3542 M. Thomas Obsoletes: 2292 Consultant Category: Informational E. Nordmark ...
https://app.kbone.net/vault/rfc/docid/5558
RFC5095: Deprecation of Type 0 Routing Headers in IPv6
Network Working Group J. Abley Request for Comments: 5095 Afilias Updates: 2460, 4294 P. Savola Category: Standards Track CSC/FUNET ...