Michael Rabinovich is "one of the few researchers who are qualified to write this book" (Pei Cao, Cisco Systems). As a leading researcher at AT&T Labs, he has closely watched current trends and state-of-the-art standards and commercial products while both battling "real-life" technical problems and participating in new research in Web caching and replication. In addition to numerous publications in the areas of distributed systems, Web performance, and transaction management, he is a co-author of the CRISP distributed proxy cache.