| 基于NS的分布式并行网络模拟器 |
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| 引用本文： | 李越,钱德沛.基于NS的分布式并行网络模拟器[J].电子学报,2004,32(2):246-249. |
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| 作者姓名： | 李越 钱德沛 |
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| 作者单位： | 西安交通大学计算机与工程系,陕西西安 710049 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，国家高技术研究发展计划(863计划) |
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| 摘 要： | 网络模拟是测试和评价网络协议性能的重要手段.随着计算机网络的发展,网络模型变得更大更复杂,使网络模拟往往要运行很长时间.本文以在网络研究领域广泛使用的网络模拟器ns为基础,应用并行离散事件模拟技术(PDES)修改其串行事件调度机制,扩展网络模型库,实现了ns在工作站机群环境下的并行执行,为大规模网络的模拟提供了支持.
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| 关 键 词： | 网络模拟 并行离散事件模拟 ns |
| 文章编号： | 0372-2112(2004)02-0246-04 |
| 收稿时间： | 2002-12-25 |
A Distributed Parallel Network Simulator Based on NS |
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| LI Yue,QIAN De pei.A Distributed Parallel Network Simulator Based on NS[J].Acta Electronica Sinica,2004,32(2):246-249. |
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| Authors: | LI Yue QIAN De pei |
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| Affiliation: | Department of Computer Science and Engineering,Xi'an Jiaotong University,Xi'an,Shaanxi 710049,China |
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| Abstract: | Network simulation is widely used in network research to evaluate the performance of network protocols.With the development of computer networks,network models grow in size and complexity,so execution time of simulation can be unbearably long.A parallel network simulator which runs on network of workstations is presented,the parallel network simulator is designed based on the popular sequential network simulator ns.Parallel discrete event simulation (PDES) techniques are applied to modify the event scheduling mechanism in ns.Some necessary extensions are also made to ns model library.Performance measures including speedup and memory consumption are evaluated at last. |
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| Keywords: | ns |
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