Recognized expert in network architecture, and the design and deployment of routing protocols. First hand involvement in the development of enhancements to RIP, IGRP/EIGRP, BGP, OSPF and ISIS. Technical experience leading projects related to Service Discovery, Mobile Ad Hoc Networks, Infrastructure Security, Energy Efficient Networking and other related topics. Excellent communication skills. Regular speaker at US and international Cisco Networkers events, and co-author of four books on networking technology. CCIE # 1609 CCDE # 20070006 CCAr (2010) Specialties: Routing Protocols (BGP, OSPF, ISIS, EIGRP), Ad Hoc Networks, Infrastructure Security, Network Design and Architecture, Service Discovery, Software Defined Networking.