Reasons to Move the Network Address Translator - Protocol Translator (NAT-PT) to Historic Status. - Cedric Aoun; Elwyn B. Davies (RFC, 2007)

General Internet Signaling Transport (GIST) State Machine. - Tseno Tsenov; Hannes Tschofenig; Xiaoming Fu 001; Cedric Aoun; Elwyn B. Davies (RFC, 2010)

NAT/Firewall NSIS Signaling Layer Protocol (NSLP). - Martin Stiemerling; Hannes Tschofenig; Cedric Aoun; Elwyn B. Davies (RFC, 2010)