Egevang, K. and Francis, P.: The IP Network Address Translator (NAT), RFC 1631, IETF (1994).
Srisuresh, P. and Holdrege, M.: IP Network Address Translator (NAT) Terminology and Considerations, RFC 2663, IETF (1999).
Ford, B., Srisuresh, P. and Kegel, D.: Peer-to-Peer Communication Across Network Address Translators, Proc. USENIX Annual Technical Conference, pp. 179-192(2005).
Rosenberg, J., Weinberger, J., Huitema, C. and Mahy, R. STUN-Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs), RFC 3489, IETF (2003).
Huitema, C.: Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs), RFC 4380, IETF (2006).