About the Authors

Martin James Duggan, CCIE No. 7942, is a network architect for IBM. He designs network solutions for customers globally and specializes in Campus LAN, ATM WAN, and network integration. Martin mentors colleagues through their Cisco qualifications and holds regular internal training classes. Previous to this, Martin was a senior network consultant for ntl, performing IP network designs and large-scale integrations on its corporate network. Martin has been in the industry for 14 years focusing on Cisco solutions for the previous 7 years.

Maurilio de Paula Gorito, CCIE No. 3807, is a triple CCIE, having been certified in Routing and Switching in 1998, WAN Switching in 2001, and Security in 2003. Maurilio has more than 18 years of experience in networking including Cisco networks and IBM/SNA environments. Maurilio's experience includes the planning, designing, implementation, and troubleshooting of large IP networks running RIP, IGRP, EIGRP, BGP, OSPF, QoS, and SNA worldwide, including Brazil and the United States. He also has more than seven years of experience in teaching technical classes at schools and companies. Maurilio currently works for Cisco Systems as part of the CCIE Team. As a content lead, Maurilio is responsible for managing the content development process for the CCIE Routing and Switching Lab and Written Exams, being in touch with candidates as part of the CCIE Customer Service, and proctoring CCIE Routing and Switching and CCIE Security Lab Exams at the CCIE Lab in San Jose, California. Maurilio has also presented Power Sessions at Cisco Seminars. He holds degrees in mathematics and pedagogy.