For undergraduate and graduate level Network and Data Communication courses. This book takes a historical approach to information systems, showing students how technologies have built upon each other so they have an appreciation of how and why current technologies exist.
1 Introduction 2 The modern signal carriers: electricity, light, media, and impairments 3 Signal fundamentals 4 Encoding: representing information 5 Error control 6 Communications connections 7 Digital communication techniques 8 Comprehending networks 9 Local area networks (LANs) 10 Circuit switching, the telcos, and alternatives 11 Packet switched wide area networks (WANs) 12 Internetworking and the Internet 13 TCP/IP, associated Internet protocols and routing 14 Wireless networks 15 Network Security 16 Network Management 17 Planning, designing, and implementing a network 18 The future of network communications Appendices Glossary Index