John is Senior Director for Advanced and Managed Services Development at Polycom. Engineering background in designing computer and networking equipment. Founder and VP of Engineering of Agile Networks, where we built Ethernet and ATM switching equipment. Consulting in real-time IP networks, network system design and application performance issues since 1996. Current focus is in designing global networks to support Telepresence and Video Conferencing.
Specialties:Analyzing peformance issues for applications in networks and on the Internet. Transitioning networks to supporting real-time traffic (voice and video). Analyzing networks not performing to specification, and making upgrade recommendations.