| 网络多路接口控制器(NMC)性能分析 |
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| 引用本文： | 唐洪宝,郭晓丹,孙亚民.网络多路接口控制器(NMC)性能分析[J].南京理工大学学报(自然科学版),1997(2). |
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| 作者姓名： | 唐洪宝 郭晓丹 孙亚民 |
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| 作者单位： | 南京理工大学信息中心信息学院 |
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| 摘 要： | 为使一些不符合ＭＡＰ标准的设备方便地联入计算机集成制造系统的网络结构中，设计和实现了一个网络多路接口控制器（ＮＭＣ）。该文介绍ＮＭＣ的结构组成，并以排队论为基础，对ＮＭＣ进行功能仿真。介绍了信息到达模式、服务模式、随机数的产生和仿策略，通过对仿真结果进行分析、比较，评价了ＮＭＣ的性能。仿真展示了平均信息长度与ＮＭＣ机所带设备个数对系统性能的影响，通过对仿真结果的分析，得出了使系统最优的平均信息长度和调和个数
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| 关 键 词： | 计算机网络，仿真，排队论 计算机集成制造系统，制造信息服务 |
Performance Analysis of Network Multi interface Controller(NMC) |
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| Abstract: | In order to integrate some equipment disagreeing with MAP in CIMS network, a network multi interface controler (NMC) is designed and implemented. This paper introduces the structure of NMC. and based on the queuing theory ,the function of NMC is simulated. In the paper, the model of data arrival and service, the generation of random data and simulation policy are presented. the result of simulation is analyzed and compared and the perrormance of NMC is evaluated. The result of simulation shows the relation between the average data size and the number of equipment. The average data size and the number of equipment which optimize the system performance are given. |
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| Keywords: | computer networks simulation queuing theory computer integrated manufacturing system manufacturing message service |
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