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Method of rearrangement of optical amplifiers in fiber-upgraded elastic optical network
Method of rearrangement of optical amplifiers in fiber-upgraded elastic optical network
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机译:光纤升级的弹性光网络中光放大器重新排列方法
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摘要
The present invention discloses a method of rearrangement of optical amplifiers in a fiber-upgraded elastic optical network, including: traversing through the amplifiers on the upgraded link through a redundancy removal process to remove redundant EDFAs from the upgraded link and calculating the cost saved by the redundancy removal process; rearranging the amplifiers on the upgraded link through a full rearrangement process to rearrange all the EDFAs on the upgraded link and calculating the cost saved by the full rearrangement process; comparing the cost saved by the redundancy removal process with the cost saved by the full rearrangement process on the upgraded link and selecting a process that saved more costs as the method of rearrangement of optical amplifiers on the upgraded link; and perform rearrangement of optical amplifiers on all the upgraded links sequentially. This method can minimize the number of optical amplifiers without significantly reducing spectrum resource utilization.
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