Keep Up With the Rapid Changes in Data Communications and Networking As you look at the cover, you may be wondering what an overnight delivery service has to do with data communications and networking. While following this cumulative case study in each chapter, you'll discover how to successfully apply the fundamental concepts behind the latest technologies and applications to business. You'll be introduced to these concepts throughout the text from this applied business perspective. Inside, you'll find the latest advances with the Internet, Internet access (cable modems,) DSL), local area and backbone networks (gigabit ethernet, ATM), and wide area networks (ATM, SONET, SMDS). A greater emphasis is placed on the changing nature of the Internet and the increased importance of electronic commerce in business. And up-to-date articles on the latest innovations are provided at our Web site at www.wiley.com/college/dennis/datacomm6e.