About the Technical Editors

Ed Yanez has been in the computer industry for 14 years, working with Cisco products for 8 years . He trained on Novell, Windows, and Cisco and has worked for Zenith Data Systems; BCS/Tech Center; Cox Communications (high-speed Internet division); and KnowledgeNet, where he is currently a Cisco instructor teaching the advanced courses for DQoS, CSPFA, CSIDS, SECUR, CSVPN, CSI, CCIE R/S, CCIE Security, as well as others. Ed has also been a Cisco network troubleshooter and design consultant. He lives in Gilbert, Arizona, with his wife, Carolina, and two children, Jaycee and Stephanie.

Ed holds the following certifications: Security+, MCSE+I, CCNA, CCDA, CCDP, CCNP, CSS1, and CCIE #6784 (R/S and Security).

Kristina M. FitzGerald is a senior network engineer with Mitsui, one of the world's oldest companies with a network spanning 122 countries . She specializes in virtual private networks and multicast, integrating terrestrial and bi-directional satellite wide area networks. She has worked with Cisco technologies since 1996; has earned CCNA, CCDA, CCNP, and MCSA certifications; and is currently pursuing a CCSP.

Kristina earned a bachelor of science degree in molecular biology from the University of Wisconsin-Madison in 1991. Kristina is based in England, where she enjoys writing and traveling to Europe.