IPv6 clearly explained / Pete Loshin
TCP/IP clearly explained / Pete Loshin
Internet core protocols : the definitive guide / Eric A. Hall
TCP/IP network administration / Craig Hunt
IP convergence : the next revolution in telecommunications / Nathan J. Muller
Ovum forecasts : global telecoms and IP markets / ed. Richard Kee, Chris Wright
Voice over IP : the global market opportunities / prepared by ICM Global Intelligence