Pravin Varaiya is the Nortel Networks Distinguished Professor in the Department of Electrical Engineering and Computer Science at UC-Berkeley. A fellow of the IEEE and a member of the NAE, he has been engaged in teaching and research in communication networks for two decades. He is co-Principal Investigator on the NSF-sponsored Internet Demand Experiment (INDEX) and WebTP projects, as well as on an ONR-sponsored project dealing with ad hoc networks for unmanned air vehicles.