The information age is enabled by telecommunications and information technology and continued convergence of their services, technologies and business models. In telecommunications, the historic separation between the fixed network, mobile phone networks and data communications is reduced. Synergy is captured in the concept of Next Generation Network which is the result of the evolution of new technologies, enabling new services and applications. Network Convergence creates a framework to assist understanding of Next Generation Networks, their potential to support and enhance new applications and their relationships with legacy networks. Network Convergence: Provides comprehensive coverage of packet multimedia, enterprise networks, third generation mobile communications, OSA / Parlay and developments in fixed networks. It will also appeal to professionals working for telecommunications network operators, equipment vendors, telecommunications regulators, and engineers who wish to further their knowledge of next generation networks.