Computer networks : a systems approach

Synopsis

NEW EDITION NOW AVAILABLE! ISBN 1-55860-832-X In this carefully focused revision of the best-selling first edition, authors Peterson and Davie reiterate their commitment to a systems-oriented approach to networking instruction. Focusing on the why of network design-not just the specifications comprising today's systems but how key technologies and protocols actually work in the real world to solve specific problems-they promote an enduring, practical understanding of networks and their building blocks. The second edition incorporates user feedback and reflects the most recent changes in the networking field. This means all-new coverage of Quality of Service issues, mobile and wireless networks, VPNs, and much more. More than 100 new exercises help students consolidate and expand their knowledge. Thought-provoking discussions of the field's rising controversies highlight the issues that are likely to dominate as they make the transition from uiversity to career. Unparalleled instruction from an expert team of authors. The authors bring over 30 years of experience in networking research, development and teaching to the task of describing the principles and practical implementation of computer networks Cutting-edge coverage. The second edition has been thoroughly updated to cover the most recent advances in networking, including: a new chapter on security techniques - PGP, IPSEC, secure sockets and firewalls a new chapter on application layer protocols - SMTP, HTTP, SNMP, DNS and RTP new material on wireless and mobile technology- spread spectrum techniques and 802.11 new section on building VPN's on top of the public Internet Expanded treatment of key issues. Topics such as Internet routing, Quality of Service, congestion control, ATM, compression and multimedia communications now delve deeper to reflect changes that have taken place over the past four years Effective pedagogical components. Alongside the authors' clear explanations and insights, you'll find pedagogical components that significantly enhance students' understanding