About the Technical Reviewers

Mark Gallo is a technical manager with America Online. His network certifications include Cisco CCNP and Cisco CCDP. He has led several engineering groups responsible for designing and implementing enterprise LANs and international IP networks. He has a BS in electrical engineering from the University of Pittsburgh. He resides in northern Virginia with his wife, Betsy, and son, Paul.

Alex Kamantauskas is the hostmaster for ClearBlue Technologies, Inc. He has worked in a wide variety of positions in the Internet sector since 1993, including system and network engineering, network security, and IP allocation services. In his spare time he composes electronic music.

Dave Kurtiak is a principal engineer and Director of Network Computing Services for Loral Skynet, where he leads a team of technical professionals responsible for managing the company's IT and data network infrastructure. He has more than 14 years of experience in the IT and telecommunications industries. Before joining Loral Skynet, he was a senior data communications specialist for AT&T. He specializes in end-to-end network analysis, planning, and troubleshooting. Kurtiak is experienced in many telecommunications technologies, including Ethernet, switches, routers, VPN, point-to-point digital facilities, Frame Relay, and premise wiring topologies. He is also recognized as the resident expert in TCP/IP networking. He has a master's degree in telecommunications from the University of Colorado at Boulder and a bachelor's degree in information systems from the University of North Carolina at Greensboro.

Martin Walshaw, CCIE #5629, CCNP, CCDP, is a systems engineer working for Cisco Systems in the Enterprise Line of Business in South Africa. His areas of specialization include convergence, security, and content delivery networking, which keeps him busy both night and day. During the last 15 years or so, he has dabbled in many aspects of the IT industry, ranging from programming in RPG III and Cobol to PC sales. When Walshaw is not working, he likes to spend all his time with his patient wife, Val, and his sons, Joshua and Callum. Without their patience, understanding, and support, projects such as this would not be possible.