About the Authors

Matthew J. "Cat" Castelli has more than 14 years of experience in the telecommunications networking industry, starting as a Cryptologic Technician (Communications) in the United States Navy. Cat has since been working as a principal consultant for a Cisco^® Professional Services partner, as the senior technical consultant/enterprise network design engineer, a global telecommunications integrator, and most recently as the Information Assurance (IA) Liaison for a 360,000+ user network. Cat has broad exposure to LAN/WAN, Internet, and Alternative technologies (VoX) for service provider and enterprise networks of all sizes including implementation, application, configuration, integration, network management, and security solutions.