NGN网改的经济性分析

Economic Analysis on the Reconstruction of NGN

网络演进是国内外运营商关注的重点问题。在交换网的转型上,PSTN是发展的基础,软交换是一个不可逾越的重要阶段,而IMS是最终的目标架构。探讨采用软交换技术进行PSTN网改的经济性分析的方法,并通过情景案例分析和深圳电信NGN网改的案例分析,得出采用NGN进行网改的运营商所需要关注的几个重点。

Network evolution is a key problem for domestic and overseas carders. In terms of switch network conversion, PSTN is the foundation ; soft.switch is an inevitable stage;and IMS is the destination architecture. This article discusses the economic factors of PSTN reconstruction with softswitch technology. After analyzing some scene cases arid the NGN reconstruction of Shenzhen Teleeom, it demonstrates some key points for cartiers carrying out network reconstruction by adopting NGN.