(a). This is the first comprehensive book about the emerging technology of Network-Centric Service-Oriented Enterprise (NCSOE). It discusses the practical capability of a competitive ecosystem in terms of how to achieve decision superiority from exploiting information and situation awareness as a key enabler in multiple sectors of the economy. (b). GIG (designed by Department of Defense) is directed toward providing critical networking infrastructure, and is essential for achieving network-centric operations. To help leverage Enterprise's best practices in both business and IT operations with the values provided by GIG, this book profiles the architecture hierarchy and major elements of GIG in detail; it also provides the evolutionary path of its information management. For those readers familiar with Telecommunication Management Forum (TMF) model, Telecommunication Operational Maps (TOM) and enhanced TOM (eTOM) are correlated with GIG functions in this book to identify management building blocks that are potentially exchangeable, allowing for smooth transition if desired. (c). A network-centric, service-oriented Enterprise solution may contain single or multiple families of systems. A family is basically a grouping of systems that share some common characteristics, but lack the synergy of common missions. This book details the integrated IT architecture necessary to support agile service-oriented architecture at the System of Systems (SoS) level, ranging from network technologies, network management, data management, and knowledge management, to e-business processes. At the conclusion of this chapter, it synthesizes the SoS elements from each chapter into a full-functioning solution.