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Scheduling Cells with Multiple Output Ports for Input-Queued Switches

机译:调度具有多个输出端口的单元以用于输入排队的交换机

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With the line rate growing faster and faster, input queued switching architecture has become attractive in high performance switches and routers due to the no speedup character. In this paper, a simple efficient queue balance matching (QBM) algorithm is presented supporting cells with multiple output ports based on the multi-hop routing. The QBM algorithm combines the virtue of iSLIP and EiSLIP, and uses a multiple eligible output ports manner to efficiently balance the traffic into all input queues. Simulation results show that the throughput can be increased more than 25% comparing to iSLIP under non-uniform traffic with single iteration, and the delay performance is improved finely. It is also easy to be implemented as iSLIP.
机译:随着线速的增长越来越快,由于没有加速特性,输入排队交换体系结构在高性能交换机和路由器中变得越来越有吸引力。在本文中,基于多跳路由,提出了一种简单有效的队列平衡匹配(QBM)算法,该算法支持具有多个输出端口的信元。 QBM算法结合了 i SLIP和E i SLIP的优点,并使用多个合格的输出端口方式有效地平衡了进入所有输入队列的流量。仿真结果表明,在单次迭代的非均匀流量下,与iSLIP相比,吞吐量可以提高25%以上,并且延迟性能得到了很好的改善。也很容易实现为 i SLIP。

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