About the Technical Reviewers
John Johnston, previously CCIE No. 5232, is a technical marketing engineer for Cisco Systems. His focus is on mobile security technology and design validation. John has more than 19 years of experience in IP internetworking, including the design and implementation of enterprise networks. Before joining Cisco Systems, John provided network design support for Fortune 500 companies. He holds a BSEE from the UNC-Charlotte.
Roland Saville is a Technical Leader for the Systems Development Unit (SDU) at Cisco, focused on developing best-practice design guides for enterprise network deployments. He has more than 18 years of experience at Cisco as a Systems Engineer, Product Manager, Consulting Systems Engineer, Technical ...
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