Andrei Rădulescu is a senior research scientist at Philips Research Laboratories in Eindhoven, The Netherlands. His research interests include on-and off-chip networks, quality of service, protocols, resource mapping and scheduling, and distributed systems. Rădulescu has an MSc in computer science from Polytechnica University of Bucharest, Romania, and a PhD in computer engineering from Delft University of Technology, The Netherlands. Direct questions and comments about this article to Kees Goossens, Philips Research Laboratories, Room 3.16, Building WDC, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands; kees.goossens@philips.com.