中国移动省内干线光传送网络MESH化的主要意义在于提高各节点至汇聚节点的可靠性，来提高网络安全，本文依据可靠性理论对新建光缆路径可靠性进行分析比较，最终对光缆路径的选择给予了指导作用。%The significance of CMCC provincial main optical transmission network MESH is to improve the reliability of the nodes to the aggregation node so as to improve the network safety. This article analyzes the newly built optical routing according to reliability theory and finally provides guidance for the selection of optical routing.
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