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	Performance evaluation of crossbar switch fabrics in core routers
	Wenjie Li ; Yiping Gong ; Bin Liu
	2010-05-06 ; 2010-05-06
关键词	Practical Theoretical or Mathematical/ optical fibre networks packet switching performance evaluation queueing theory scheduling telecommunication traffic/ performance evaluation crossbar switch fabrics core routers complex scheduling algorithms input queuing switches virtual output queuing input-output queuing switch fabrics outlet priority round robin uniform traffic model bursty traffic model output queuing switches/ B6260F Optical fibre networks B6210L Computer communications B6150C Communication switching B6150J Queueing systems B0240C Queueing theory C5620 Computer networks and techniques C5670 Network performance C5470 Performance evaluation and testing C1140C Queueing theory
中文摘要	Many researchers have pointed out that using complex scheduling algorithms in input queuing switches with virtual output queuing (VOQ) scheme can achieve 100% throughput. But these algorithms are too complex to be implemented in hardware. In this paper, based on combined input/output queuing (CIOQ) switch fabrics, we propose a simple scheduling algorithm named outlet priority round robin (OPRR). For synthetic workloads we consider, including uniform and bursty traffic models, the performance of OPRR in VOQ mode and single queue mode is evaluated respectively. Through the simulation results we show that: 1) OPRR algorithm, coupled with the speedup of 2, can lead to performance very close to output queuing switches; and 2) under the same condition, OPRR algorithm in single queue mode behaves almost identically to VOQ mode. These results are very useful to direct the design and implementation of switch fabrics in core routers.
语种	英语 ; 英语
出版者	World Scientific ; Singapore
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10428]
专题	清华大学
推荐引用方式 GB/T 7714	Wenjie Li,Yiping Gong,Bin Liu. Performance evaluation of crossbar switch fabrics in core routers[J],2010, 2010.
APA	Wenjie Li,Yiping Gong,&Bin Liu.(2010).Performance evaluation of crossbar switch fabrics in core routers..
MLA	Wenjie Li,et al."Performance evaluation of crossbar switch fabrics in core routers".(2010).

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