RICHARD ELLING is the Chief Architect for Enterprise Engineering at Sun Microsystems in San Diego, California. Richard had been a field systems engineer at Sun for five years. He was the Sun Worldwide Field Systems Engineer of the Year in 1996. Prior to working at Sun, he was the Manager of Network Support for the College of Engineering at Auburn University, a design engineer for a startup microelectronics company, and worked for NASA doing electronic design and experiments integration for Space Shuttle missions. TIM READ is a Lead Consultant for the High End Systems Croup in Sun UK's Joint Technology Organization. Since 1985 he has worked in the UK computer industry, joining Sun in 1990. He holds a B.Sc. in Physics with Astrophysics from Birmingham University. As part of his undergraduate studies, Tim studied clusters of suns; now he teaches and writes about Sun Clusters.