Andrew Tanenbaum and Maarten van Steen cover the principles, advanced concepts, and technologies of distributed systems in detail, including: communication, replication, fault tolerance, and security. Intended for use in a senior/graduate level distributed systems course or by professionals, this text systematically shows how distributed systems are designed and implemented in real systems. Written in the superb writing style of other Tanenbaum books, the material also features unique accessibility and a wide variety of real-world examples and case studies, such as NFS v4, CORBA, DCOM, Jini, and the World Wide Web. FEATURES *Detailed coverage of seven key principles. An introductory chapter followed by a chapter devoted to each key principle: communication, processes, naming, synchronization, consistency and replication, fault tolerance, and security, including unique comprehensive coverage of middleware models. *Four chapters devoted to state-of-the-art real-world examples of middleware. Covers object-based systems, document-based systems, distributed file systems, and coordination-based systems including Corba, DCOM, Globe, NFS v4, Coda, the World Wide Web, and Jini. payment systems, recent Internet and Web protocols, scalability, and caching and replication. *NEW--The Prentice Hall Companion Website for this book contains PowerPoint slides, figures in various file formats, and other teaching aids, and a link to the author's Web site. Please visit http: //www prenhall.com/tanenbaum