TONY T. LEE, PhD, is Professor of Information Engineering at the Chinese University of Hong Kong and an Adjunct Professor at the Institute of Applied Mathematics of the Chinese Academy of Science. From 1991 to 1993, he was a professor of electrical engineering at the Polytechnic Institute. Previously with AT&T Bell and Bellcore, Dr. Lee was the recipient of the Leonard G. Abraham Prize Paper Award from IEEE Communication Society in 1988, and the National Natural Science Award from China in 1999. He is a Fellow of IEEE and now an associate editor of the IEEE Transactions on Communications. SOUNG C. LIEW, PhD, is Professor and Chairman of the Department of Information Engineering at the Chinese University of Hong Kong. He is also Adjunct Professor at Southeast University in China. TCP Veno, a version of TCP that improves its performance over wireless networks, was proposed by Liew and his student, and has now been incorporated into a recent release of Linux OS. He initiated and built the first inter-university ATM network testbed in Hong Kong in 1993.