George Varghese is a widely recognized authority on the art of network protocol implementation. Currently a professor in the Department of Computer Science at UC-San Diego, he has previously worked for DEC and taught at Washington University. Elected a Fellow of the ACM in 2002, he holds (with colleagues) 14 patents in the general field of network algorithmics. Several algorithms that he helped develop have found their way into commercial systems, including Linux (timing wheels), the Cisco GSR (DRR), and MS Windows (IP lookups).