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Optimizing the Combined Input and Crosspoint Queued (CICQ) switch: A new flow control mechanism
Zheng Guangjie,Tang Bihua *,Yuan Dongming,Hu Hefei,Ran Jing
Electronic Engineering School, Beijing University of Posts and Telecommunications,Beijing 100876
*Correspondence author
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Funding: Important National Science & Technology Specific Projects(No.60902049)
Opened online:24 December 2013
Accepted by: none
Citation: Zheng Guangjie,Tang Bihua,Yuan Dongming.Optimizing the Combined Input and Crosspoint Queued (CICQ) switch: A new flow control mechanism[OL]. [24 December 2013] http://en.paper.edu.cn/en_releasepaper/content/4573446
 
 
To date, a combined input and crosspoint queued (CICQ) switch has obtained increasing significant attention for its scalability and simple implementation on FPGA. As the promising next generation high speed packet switch, it is able to address the complex scheduling and high memory access speed problems which exist in other types of switches. However, when distributing packet buffers across crosspoints, it becomes difficult to balance the workload of different buffers, resulting in low memory space efficiency. In this article, we propose a new flow control mechanism to enhance the memory space efficiency, and carry out the performance comparison between such optimized CICQ switch and the one without adopting this mechanism
Keywords:communication and information system;switch fabric; CICQ, flow control
 
 
 

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