Abstract
With the continuing increase in density of VLSI, limited buffer can be placed inside the crossbar and this combined input-crosspoint-queued (CICQ) switch structure decouples the inputs and outputs matching. In this paper, an analysis of the performance of Round-Robin scheduling algorithm for CICQ switch has been made proves that the Round-Robin algorithm can achieve 100% throughput under uniform traffic but not stable under non-uniform traffic. We propose the DRR algorithm, which can achieve 100% throughput under arbitrary traffic even buffered only one cell in crosspoints in CICQ switch DRR algorithm is feasible for fast hardware implementation and its time complexity is O(1)
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