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介绍了移动城域传送网的拓扑结构由分到合和由合到分的发展过程,提出了新建移动城域传送网第二平面和对现有网络进行割接拆分的两种由合到分的方案,分析了方案各自的优缺点。认为在建设中究竟采用哪种方案还需要根据对实际情况分析的结果,运营商要综合考虑用户的需求、现有网络的资源及投资的力度等,各设备厂家则要在不断开发大容量传输设备的同时,注意提高网管系统的网管能力。
This paper introduces the development process of the metropolitan transport network topology from point to point and from point to point and from point to point. It proposes two kinds of schemes to construct the second plane of the transport network in a metropolitan area and split the existing network. Points program, analyzed the advantages and disadvantages of each program. That in the construction of what kind of program also need to be based on the actual situation analysis results, operators should take into account the needs of users, the existing network resources and investment efforts, the equipment manufacturers will continue to develop high-capacity transmission At the same time, pay attention to improve the network management system’s network management capabilities.