This practical introduction to data communications takes a "top down" approach that starts by first determining business objectives and then developing a system to meet those objectives. Updated throughout, the second edition features new coverage of network security, network management, enterprise networking and the Internet, Remote Access, and Wireless Networking. The business cases have been updated and more examples and actual networking problems have been added.

From the Publisher

Uses a practical approach to begin analysis by identifying the business model constraints and objectives, then applying this information to the design of systems. Introduces key thinking models such as the top down and Input Processing Output models used throughout the text as tools for effective data communications and networking analysis and design. Includes numerous business cases, technology reviews and selected articles from professional periodicals. Generously endowed with diagrams illustrating actual implementations and potent applications of networking technology.

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