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在信息爆炸的当今世界,数据传输对带宽的需求与日俱增,数据化的网络对传输网提出了更高的要求,这就使得作为通信承载网的光传输网络得以迅猛发展。近年来,以SDH为核心的光传输技术在媒体单位得到了充分的应用,它为不在同一地点的各个工作区之间的无缝办公提供了可靠、快捷的技术平台,为总部和分支机构的协同工作提供了重要的桥梁,从而推动了业务和管理等方面向网络化和集中化的方向转变。
In the current world of information explosion, the demand for bandwidth for data transmission is increasing day by day. Dataized networks place higher demands on the transmission network, which makes the optical transmission network as a communication bearer network develop rapidly. In recent years, SDH as the core optical transmission technology in the media units have been fully applied, it is not in the same place of work seamlessly between the various offices to provide a reliable and efficient technology platform for headquarters and branch offices Collaborative work provides an important bridge, thus promoting the business and management and other aspects of network and centralized direction.