pyles-headshotJames Pyles is a consultant, author, editor, and technical writer. He has worked as a technical writer for EmergeCore Networks, Aquent Studios, and iAnywhere/Sybase and has served as Developmental Editor for Global Support Content Operations at Hewlett-Packard. He is currently the technical writer and marketing contributor for Kount, a fraud and risk solutions company, in Boise, Idaho.

Carrell-headshotJeffrey L. Carrell is a network consultant, frequent industry speaker, freelance writer, network systems and security instructor, and course developer, all with a focus on IPv6 systems interoperability. Since building his first Novell LAN in 1986, Jeff has enjoyed successful career advancements with several network manufacturers, such as Novell, Foundry Networks, and HP Networking, as a presales consulting engineer and technical instructor. In an end-user position, he has designed mission-critical, high-availability networks.

Tittel-headshotEd Tittel was on the adjunct faculty at Austin Community College from 1997 through 2003 and taught at Interop from 1996 to 2002. He is a Network Certified Professional and works as a full-time freelance writer and consultant in Round Rock, Texas. He has contributed to over 100 books on computing across a broad range of subjects and is the author of numerous Course Technology titles. He also writes and blogs for, Tom’s IT Pro,, and other Web sites.


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