However, theFDL efficiency, i.e. the ratio of total FDL length to buffer depth is rather low in current optical bufferdesigns (normally 2/N, where N is the number of input port).
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- 但在当前提出的全光缓存器设计中,FDL利用率即缓存容量与所使用的FDL总长度之比是相当低的(通常为2/N,其中N为输入端口数)。