Primarily intended as a text for undergraduate courses in Electronics and Communications Engineering, Computer Science, IT courses, and Computer Applications, this up-to-date and accessible text gives an indepth analysis of data communications and computer networks in an easy-to-read style. Though a new title, it is a completely revised and fully updated version of the author’s earlier book Data Communications. The rapid strides made during the last decade in the fields of data communication and networking, and the close link between these two subjects have prompted the author to add several chapters on computer networks in this text.The book gives a masterly analysis of topics ranging from the principles of data transmission to computer networking applications. It also provides standard protocols, thereby enabling to bridge the gap between theory and practice. What’s more, it correlates the network protocols to the concepts, which are explained with the help of numerous examples to facilitate students’ understanding of the subject.This well-organized text presents the latest developments in the field and details current topics of interest such as Multicasting, MPLS, IPv6, Gigabit Ethernets, IPSec, SSL, Auto-negotiation, Wireless LANs, Network security, Differentiated services, and ADSL.Besides students, the practicing professionals would find the book to be a valuable resource.The book, in its second edition introduces a full chapter on Quality of Service, highlighting the meaning, parameters and functions required for quality of service.This book is recommended in Kaziranga University, Nagaland, IIT Guwahati, Assam and West Bengal University of Technology (WBUT), West Bengal for B.Tech.Key Features• The book is self-contained and student friendly.• The sequential organization lends flexibility in designing courses on the subject.• Large number of examples, diagrams and tables illustrate the concepts discussed in the text.• Numerous exercises (with answers), a list of acronyms, and references to protocol standards.
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About the Author
PRAKASH C. GUPTA is Head, Department of Information Technology, Maharashtra Institute of Technology, Pune. Earlier he was Head, Data Networks, Reliance Infocomm Ltd.Also, a recipient of Gold Medal, from the Department of Telecom, Ministry of Communications, Prakash C. Gupta was one of the panelist in World Telecom 2000 held in Geneva. He has a rich and varied experience in research, engineering and operating telecommunications and data networks.
Table of ContentsPreface1. Data Communication Concepts and Terminology2. Transmission Media3. Telephone Network4. Data Line Devices5. Error Control6. Network Architecture7. The Physical Layer8. The Data Link Layer9. Data Link Protocols10. Local Area Networks11. IEEE 802.3 Ethernets12. Token Passing Local Area Networks13. Wireless Local Area Networks14. Bridges and Layer-2 Switches15. Network Layer16. Virtual Circuit Packet Switching Network17. Internet Protocol (IP)18. Routing Protocols19. Multicasting and Multiprotocol Label Switching (MPLS)20. Transport Layer21. Network Security22. Application Layer23. Quality of ServiceBibliography • Answers to Selected ExercisesList of Acronyms • Index