About the Author

Mark A. Sportack is an information technology architect at AT&T and has more than 15 years' experience planning, using, supporting, and managing both information and information technologies. Mark's present responsibilities include specifying both the architectures and technology base for AT&T's local- and wide-area networks, and developing strategies for new and emerging technologies. Additionally, Mark is the author or co-author of several books on various aspects of networking technology: High-Performance Networking Unleashed, Windows NT Clustering Blueprints, Teach Yourself MCSE Networking Essentials in 14 Days, and Networking Essentials Unleashed.

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