The second edition of the Network Design Cookbook provides a new approach for building a network design by selecting design modules (or PODs) based on the business requirements, engineer's preferences, and recommendations. This new approach provides a structured process that you, as a network engineer or consultant, can use to meet the critical technical objectives while keeping within the parameters of industry best practices. In this book, you will find valuable resources and tools for constructing the topology and services you need for many solutions such as LAN, WAN, Data Center, Internet Edge, Firewall, to Collaboration. This book will be a valuable tool in both learning how to design a network, as well as a reference as you advance in your career.