Understanding Ipv6
RFC 1752 - "The Recommendation for the IP Next Generation Protocol"
RFC 2529 - "Transmission of IPv6 over IPv4 Domains without Explicit Tunnels"
RFC 2893 - "Transition Mechanisms for IPv6 Hosts and Routers"
RFC 3056 - "Connection of IPv6 Domains via IPv4 Clouds"
Internet draft - "Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)"
Internet draft - "Default Address Selection for IPv6"