RFC 1812 - Wikipedia

An RFC from the IETF,

Full text of RFC 1812 (http://www.ietf.org/rfc/rfc1812.txt) Requirements for IP Version 4 Routers. F. Baker. June 1995. (Format: TXT=415740 bytes) (Obsoletes RFC 1716[?], RFC 1009) (Updated by RFC 2644) (Status: PROPOSED STANDARD)