References
RFC 791 - "Internet Protocol"
RFC 1812 - "Requirements for IP Version 4 Routers"
RFC 2401 - "Security Architecture for the Internet Protocol"
RFC 2402 - "IP Authentication Header"
RFC 2406 - "IP Encapsulating Security Payload (ESP)"
RFC 2460 - "Internet Protocol, Version 6 (IPv6)"
RFC 2474 - "Definition of the Differentiated Services Field (DS Field)"
RFC 2675 - "IPv6 Jumbograms"
RFC 2711 - "IPv6 Router Alert Option"
Internet draft - "Mobility Support in IPv6"
