The text provides a comprehensive study and exploration of the various types, aspects and effects of network failures in xG networks. It delves into the different approaches to network restoration that are most applicable to xG networks. The book presents and analyzes different workable and practical models and solutions to various network failure problems and scenarios in xG telecommunication networks. This book: Presents essentials of protecting and recovering modern communication networks from network failures. Showcases examples of network failures and restoration approaches for emerging networks and applications. Covers network restoration solutions in emerging artificial intelligence-driven telecommunication technologies. Explains deep learning solutions for network restoration in next-generation networks. Discusses the modelling and analysis of network restoration for cloud and edge computing networks. It is primarily written for senior undergraduates, graduate students, and academic researchers in electrical engineering, electronics and communications engineering, computer science and engineering.