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Method and apparatus for providing a more efficient use of the total bandwidth capacity in a synchronous optical network
Method and apparatus for providing a more efficient use of the total bandwidth capacity in a synchronous optical network
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机译:在同步光网络中提供对总带宽容量的更有效利用的方法和设备
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摘要
The present invention relates to a local node for use in a synchronous optical network ring. The local node includes a group of working transmission lines and a protection line, for connecting to a remote node. The local node further includes a control unit for monitoring the working transmission lines and, upon detection of a data transmission impairment over a particular working transmission line, invoking a protection switch event causing re-routing of optical signals from the particular working transmission line to the protection line. Should the control unit detect simultaneous data transmission impairments over two or more working transmission lines, the control unit will choose to protect a particular working transmission line on the basis of a user-defined priority scheme.
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