Software defined wide area network architectures and technologies Starting with problems and challenges faced by enterprise WANs this book provides a detailed description of SD WANs background and basic features as well as the system architecture operating mechanism and application scenarios of the SD WAN solution based on the implementation of Huawei SD WAN Solution. It also explains key SD WAN technologies and analyzes real SD WAN deployment cases affording readers with design methods and deployment suggestions for the SD WAN solution. The information presented in this book is easy to understand and very practical. This book enables you to become adept in the SD WAN solutions implementation and design principles and it is intended for ICT practitioners such as network technical support engineers network administrators and network planning engineers to use in studying theory. Furthermore it serves as material that network technology enthusiasts can reference