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固网智能化、IP化,移动网络带宽的提高、业务多样化以及IPTV极大改变了以前各个网络功能单一的局面。电信网、Internet网、有线电视甚至是移动网络,彼此之间业务的渗透越来越多,关于下一代网络和三网融合的观念逐渐越来越多得被人们提出和接受。本文以NGN为核心,介绍了下一代网络的概念,各网络之间融合存在的问题,相关技术以及未来的发展。
Fixed-line intelligent, IP, mobile network bandwidth increases, business diversification and IPTV has greatly changed the previous single network function of a single situation. Telecommunications networks, Internet networks, cable television and even mobile networks, more and more business penetration between each other, the concept of next-generation networks and triple play more and more people have been proposed and accepted. In this paper, NGN as the core, introduced the concept of next generation networks, the convergence between the network problems, related technologies and future development.