86400-9 The practical networking overview for any technical or business professional. Data Communications Today is the perfect introduction to networking for any professional. This completely updated edition introduces the fundamental concepts underlying all networks, including bandwidth, transmission methods, data transport formats and connections. It shows how all the components of a network fit together, and how to successfully design a network that meets the needs of your organization. It also includes detailed new coverage of the Internet and TCP/IP-and how they fit into existing network infrastructures. Top networking consultant Stan Gelber reviews all significant types of networking hardware, from terminals and controllers to routers, hubs, modems and multiplexers. He introduces the carrier services that are essential to today's successful enterprise networks, such as ISDN, fractional T1, SMDS, DDS, and Switched 56. He also previews xDSL and other emerging technologies that may play significant roles in tomorrow's networks. This book will help you understand the role of networking standards, architectures and protocols-and give you perspective on today's critical network management and troubleshooting challenges. Data Communications Today tells you what you need to know to make sense of today's revolutionary networking technologies-simply, and without technobabble. If you're an engineer, software developer, support staffer, or information technology student, you'll find it invaluable.