He received his Ph.D. in Computer Science from the University of Southern California, Los Angeles in 1996 for his work on measurement-based admission control algorithms. He spent parts of 1992 and 1993 at the Xerox Palo Alto Research Center. His additional research interests include self-organizing network services, market-based resource allocation, network topology discovery and traffic characterization. He received the ACM SIGCOMM Best Student Paper Award in 1995, the National Science Foundation (NSF) CAREER Award in 1997, and the Presidential Early Career Award for Scientists and Engineers (PECASE) in 1998, all for his work in admission control algorithms.