Communication Networks : Fundamental Concepts and Key Architectures, Hardcover by Leon-Garcia, Alberto; Widjaja, Indra, ISBN 007246352X, ISBN-13 9780072463521, Used Good Condition, Free shipping in the US This book is designed for introductory one-semester or one-year courses in communications networks in upper-level undergraduate programs. The second half of th can be used in more advanced courses. As pre-requisites th assumes a general knowledge of computer systems and programming, and elementary calculus. The second edition expands on the success of the first edition by updating on technological changes in networks and responding to comprehensive market feedback.