Yousef Darmani received his B.Sc. In Electronics from the Science and Technology University, Tehran, Iran in 1987 and his M.Sc. in Digital Electronics from Sharif University, Tehran, Iran in 1991. Then he joined the Electrical Engineering Department of K.N. Toosi University of Technology. He received his Ph.D. in Computer Networking from the University of Adelaide, Adelaide, Australia in 2004. Currently he works as an associate professor in Computer Engineering faculty of K. N. Toosi University of Technology. His research interests are VOIP, real time communication over the Internet, Wireless and Ad-hoc networks and their protocols, and computer hardware.