Rapid deployment and acceptance of broadband networks, including the 802.11 a/b/g, 3G cellular networks, WiMAX, and emerging 4G cellular IP networks, have sparked a growing reliance on voice over IP and the quickly emerging IP TV and Mobile TV. Providing the necessary background and technical understanding to stay abreast and ahead of the IP trend, IP Communications and Services for NGN explores IP development for the delivery of next generation mobile services. Packed with detailed illustrations, this cutting-edge reference examines the primary IP protocols (IPv4 and IPv6), real-time protocols, and three major IP services (VoIP, IPTV, and Mobile TV). It clearly explains the different architectures of fixed, mobile, and wireless networks along with the major advantages and disadvantages of each. It includes coverage of the latest in:The VoIP MarketSCTP and Vertical HandoffRSVP: Resource Reservation ProtocolMPLS: MultiProtocol Label SwitchingSIP: Session Initiation ProtocolIMS: IP Multimedia SubsystemRTSP: Real-Time Streaming ProtocolRTP: Real-Time Transport ProtocolIPTV System Architectures and IPTV System Descriptions