2013 | OriginalPaper | Buchkapitel
Carrier-Grade Networks toward the Future -NGN and Its Issues-
verfasst von : Koichi Asatani
Erschienen in: Green Communication and Networking
Verlag: Springer Berlin Heidelberg
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Next Generation Network is designed as the next generation carrier- grade network. Reflecting the ICT trends, NGN adopts packet-based network to flexibly accommodate telephony and data traffics. The IP is adopted as the network layer protocol with additional resource and admission control functionalities enabling QoS management. This paper describes global ICT trends, outline of NGN and its issues toward the future.