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步进式高速IP网络仿真中的误差分析

Error Analysis of Time-stepped Simulation of High Speed IP Networks
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摘要 步进式仿真的调度策略可分为缓存模式和抽样模式。以高速IP网络会话层仿真为应用背景,针对On/Off网络流模型,分析了在抽样模式下步进式仿真产生误差的原因;分析了步长对仿真误差的影响;给出了通过调节步长最小化误差的方法,以及提高步进式仿真相对于DEVS仿真运行速度的条件。 The scheduling policy of the time-stepped simulation can be categorized into： the caching mode and sampling mode. The simulation error and the effects of the length of the time-step in the time-stepped simulation were analyzed in the context of high speed IP network with On/Off fluid traffic models. A method of minimizing the error by adjusting the length of the time-step was provided. Finally, the condition for ensuring simulation speedup was given.
作者 卢绍文 乔明亮
机构地区 东北大学流程工业综合自动化教育重点实验室 中国人民解放军
出处 《系统仿真学报》 CAS CSCD 北大核心 2009年第7期1878-1881,1886,共5页 Journal of System Simulation
基金 国家重点基础研究发展计划(973)项目(2009CB320604) 辽宁省自然科学基金(20082029)
关键词 仿真加速 步进式仿真 误差分析 网络流 会话层仿真 simulation acceleration time-stepped simulation error analysis network traffic session-level simulation
分类号 TP391 [自动化与计算机技术—计算机应用技术]
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参考文献14

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系统仿真学报
2009年 第7期

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