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From VPNs to multiservice networks that carry voice, video, and data, to mobility for corporate users--new technologies are rapidly changing the way we manage and design wide area networks. And with WAN costs accounting for 75-90 percent of the lifecycle costs for mostenterprise networks, it is becoming increasingly critical to understand the economies of running a WAN. This book provides you with a complete strategy for integrating the latest technologies into your WAN and ensuring availability and quality of service while balancing costs.Whether you plan to add new capabilities to your network or modify existing ones, expert WAN designer Howard Berkowitz walks you step-by-step through all existing WAN services plus their matching business requirements and cost analysis. Along the way, he debunks myths about what's practical on a WAN, discusses capabilities and tradeoffs of widely used technologies, and reveals the realities and limitations of different services.
List of contents
From the contents:
What is the Problem You are Trying to Solve?
Policies and Workloads.
Quality of Service.
Basic Services.
Virtualizing in Modern Networks.
Carrier Infrastructure and Optical Networking.
Fault Tolerance.
VPNs, Security, and Roaming.
About the author
Howard Berkowitz is a computer scientist and networking consultant and is very active in the North American Network Operators Group (NANOG) and IETF (Internet Engineering Task Force). His experience includes building and interconnecting to extremely large networks and designing router software. He is the author of several RFCs and has been presenting at trade shows since 1975. He is also the author of three other professional networking reference books.§§Networking Council Books put technology into perspective for decision-makers who need an implementation strategy, a vendor and outsourcing strategy, and a product and design strategy. The series advisors are three of the most influential leaders of the networking community.
