Layer Two Tunneling Protocol - Version 3 (L2TPv3). - Jed Lau; W. Mark Townsley; Ignacio Goyret (RFC, 2005)

Frame Relay over Layer 2 Tunneling Protocol Version 3 (L2TPv3). - W. Mark Townsley; George Wilkie 002; Skip Booth; Stewart Bryant; Jed Lau (RFC, 2006)