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介绍了城域网中接入网和承载网技术的现状,结合具体案例,分析了数据网络故障的处理思路和方法,以及网络维护的心得。
The present situation of access network and bearer network technology in MAN is introduced. Based on the specific case, the paper analyzes the processing ideas and methods of data network fault and the experience of network maintenance.