本文在介绍了NGN的概念及其网络特点的基础上 ,具体介绍了华为公司的NGN整体解决方案 :U -SYS。U -SYSNGN架构具备分明的网络层次 ,接口开放 ,涵盖各功能平面的网络部件 :核心控制部件即软交换设备SoftX30 0 0、应用服务器ApplicationServer、媒体资源服务器MRS6 0 0 0、策略服务器PolicyServer、媒体网关MGW、综合接入设备IAD和用户终端设备CPE以及NGN网络运营支撑系统iOSS等 This article introduced the concept of NGN and its network characteristics, based on the specific introduction of Huawei’s NGN overall solution: U-SYS. The U-SYSGN architecture has distinct network layers and interfaces, and covers network elements of each functional plane: the core control component is SoftX30 0 0, the application server ApplicationServer, the media resource server MRS6 0 0 0, the policy server PolicyServer, the media gateway MGW, integrated access equipment IAD and user terminal equipment CPE and NGN network operation support system iOSS, etc.