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概述了基于WDM全光网的由来和基于WDM全光网的发展、技术特点、关键节点设备和目前的状况,以及基于WDM全光网的发展趋势等。
This paper summarizes the development of WDM all-optical network based on the origin of WDM all-optical network and its technical features, key node equipment and current status as well as the development trend based on WDM all-optical network.