| 基于二次反馈的两级交换结构 |
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| 引用本文： | 申志军,曾华燊,高志江.基于二次反馈的两级交换结构[J].西南交通大学学报,2011(5):814-819. |
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| 作者姓名： | 申志军 曾华燊 高志江 |
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| 作者单位： | 西南交通大学信息科学与技术学院; |
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| 基金项目： | 国家自然科学基金资助项目(60773102); 国家自然科学基金委员会-中国工程院联合基金资助项目(U0970122) |
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| 摘 要： | 为缓解FTSA(feedback-based two-stage switch architecture)对调度算法执行时间的限制,提出了一种基于二次反馈的两级交换结构DFTS(double-feedback-based two-stage switch architecture).该结构通过二次反馈和接力调度模式,以多反馈一次N位缓存信息的代价拓展了调度算法的时域空间(N为交换端口数).理论分析表明:在相同条件下,DFTS的时延性能与FTSA的理论性能是一致的.
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| 关 键 词： | 分组交换 负载均衡 计算复杂度 反馈机制 |
Double-Feedback-Based Two-Stage Switch Architecture |
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| SHEN Zhijun,ZENG Huashen,GAO Zhijiang.Double-Feedback-Based Two-Stage Switch Architecture[J].Journal of Southwest Jiaotong University,2011(5):814-819. |
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| Authors: | SHEN Zhijun ZENG Huashen GAO Zhijiang |
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| Institution: | SHEN Zhijun,ZENG Huashen,GAO Zhijiang(School of Information Science and Technology,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | To relax the time constraint on scheduling algorithms of FTSA(feedback-based two-stage switch architecture),a new scheme called DFTS(double-feedback-based two-stage switch architecture) was proposed.This switch architecture feeds back twice at both ends of each time slot.Based on the double-feedback mode and the relay scheduling mode,the DFTS enables the cell transmission to take place in parallel with the first-stage scheduling process and thus extends the time space of the scheduling algorithm at the cost... |
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| Keywords: | packet switching load balancing computational complexity feedback mechanism |
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