基于逆向传输机制的反馈型两级交换结构

申志军; 高静; 乌日更

doi:10.11999/JEIT170531

基于逆向传输机制的反馈型两级交换结构

doi: 10.11999/JEIT170531

1.
(内蒙古农业大学计算机与信息工程学院呼和浩特 010018)

基金项目:

内蒙古农业大学优秀青年科学基金(2014XYQ-17)，国家自然科学基金(61650204, 61462070)，内蒙古农业大学博士科研启动基金(BJ2013B-1)

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- 被引次数: 0
出版历程
- 收稿日期: 2017-06-20
- 修回日期: 2017-10-27
- 刊出日期: 2018-03-19

Feedback and Reverse Transmission Mechanism Based Two-stage Switch Architecture

1.
(College of Computer and Information Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China)

Funds:

The Excellent Young Scientist Foundation of Inner Mongolia Agricultural University of China (2014XYQ-17), The National Natural Science Foundation of China (61650204, 61462070), The Doctoral Scientific Research Foundation of Inner Mongolia Agricultural University of China (BJ2013B-1)

摘要

摘要: 为解决FTSA-2-SS结构中的信元冲突、信元失序以及交换流程复杂化等问题，该文提出一种基于逆向传输机制的反馈型两级交换结构(FRTM-TSA)。该结构通过crossbar逆向传输机制使得任意输入端口均可获得其相邻端口的调度结果并以此对目标端口所反馈的缓存信息进行修正，基于修正后的信息进行算法调度使得FRTM-TSA能够避免信元冲突和信元失序，也无需在输出端口设置重排序缓存。理论分析和仿真结果均表明FRTM-TSA能够以相对简洁的交换结构和交换流程获得更优的时延性能。
- 调度算法 /
- 交换 /
- 反馈 /
- 负载均衡
Abstract: In order to solve the problems arising from the 2-Staggered Symmetry connection pattern (2-SS) in Feedback mechanism based load balanced Two-stage Switch Architecture (FTSA), a Feedback and Reverse Transmission Mechanism based Two-stage Switch Architecture (FRTM-TSA) is proposed in this paper. A novel reverse transmission mechanism of crossbar is introduced so that any input port can obtain the scheduling results of its adjacent input port. Based on such scheduling results, the buffer status information of middle-ports that received one slot ahead can be corrected. The exact information obtained from preprocessing enables FRTM-TSA to avoid the cell-conflict and cell-disordering and thus make the re-sequencing buffers are no longer needed at the output ports. Theoretical analysis and simulation experiments show that FRTM-TSA can achieve a better delay performance with a simper switching fabric and process compared to existing schemes.
- Scheduling algorithm /
- Switching /
- Feedback /
- Load balancing

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参考文献(19)

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