| 高性能组合输入交叉点排队交换机 |
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| 引用本文： | 王斌,王文鼐.高性能组合输入交叉点排队交换机[J].北京邮电大学学报,2012,35(1):95-98. |
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| 作者姓名： | 王斌 王文鼐 |
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| 作者单位： | 南京邮电大学通信与信息工程学院,南京210003;南京邮电大学宽带无线通信与传感网技术教育部重点实验室,南京210003;南京邮电大学宽带无线通信与传感网技术教育部重点实验室,南京,210003 |
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| 基金项目： | 国家科技重大专项项目(2011ZX03005-004-03);江苏省高校自然科学基础研究重大项目(10KJA510037);南京邮电大学引进人才项目(NY209002);南京邮电大学宽带无线通信与传感网技术教育部重点实验室开放研究基金(NYKL201108) |
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| 摘 要： | 运用非稳定虚拟输出队列和非稳定交叉点缓存的概念,提出了基于优先级轮询方案的组合输入交叉点排队方案,并通过数值仿真,详细研究了该方案的时延性能和稳定性能.仿真结果表明,在非均匀分布业务源的情况下,优先级轮询方案比普通轮询算法具有更好的平均时延性能和稳定性能.该研究成果为设计交叉点缓存交换机提供了理论依据.
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| 关 键 词： | 组合输入交叉点排队交换机 时延 虚拟输出队列 |
| 收稿时间： | 2011-05-06 |
High Performance CICQ Fabric |
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| WANG Bin
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WANG Wen-nai.High Performance CICQ Fabric[J].Journal of Beijing University of Posts and Telecommunications,2012,35(1):95-98. |
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| Authors: | WANG Bin WANG Wen-nai |
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| Affiliation: | 1College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications,Nanjing 210003, China; 2 Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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| Abstract: | Buffered switches are analyzed firstly,and then a new scheduling algorithm based on unstable virtual output queue and unstable cross-point buffer is presented.The delay and stability performance are investigated carefully by simulations.It is shown that the new scheduling algorithm can offer very good performance on average delay and stability for no-uniform traffic with Bernoulli arrivals.The shortcoming of round robin-round robin algorithm is completely solved,and useful to design high performance combined input and crosspoint-queued(CICQ) switch. |
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| Keywords: | combined input and crosspoint-queued switch delay virtual output queue |
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