| 工业以太网非实时通信带宽的测量 |
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| 引用本文： | 谢昊飞,冯小华,王平. 工业以太网非实时通信带宽的测量[J]. 电子科技, 2009, 22(5) |
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| 作者姓名： | 谢昊飞 冯小华 王平 |
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| 作者单位： | 重庆邮电大学网络化控制与智能仪器仪表教育部重点实验室,重庆,400065;重庆邮电大学网络化控制与智能仪器仪表教育部重点实验室,重庆,400065;重庆邮电大学网络化控制与智能仪器仪表教育部重点实验室,重庆,400065 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 介绍了工业以太网及其实时性,分析了在工业以太网中需要确定通信调度的原因,给出了测量非实时通信带宽的意义.讨论了非实时通信带宽的基本概念,并结合EPA网络给出了测量非实时通信带宽的方法,重点介绍了EPA网络某一链路上瓶颈带宽的测量.测试中控制台PC控制测试流程、设置测试参数以及结果的显示,测试代理PC执行具体的测试任务.实际测试证明测量方法可行,测试结果表明所测网络达到了要求的指标.
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| 关 键 词： | 调度 非实时带宽 瓶颈带宽 |
Measurement of Non-real-time Communication Bandwidth in EPA |
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| Xie Haofei,Feng Xiaohua,Wang Ping. Measurement of Non-real-time Communication Bandwidth in EPA[J]. Electronic Science and Technology, 2009, 22(5) |
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| Authors: | Xie Haofei Feng Xiaohua Wang Ping |
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| Affiliation: | Key Laboratory of Network control & Intelligent Instrument Ministry of Education;Chongqing University of Posts and Telecommunications;Chongqing 400065;China |
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| Abstract: | This paper introduces EPA(Ethernet for plant automation)and its real time performance.The reason why EPA needs communication schedules is analyzed.The significance of the measurement of the non-real-time communication bandwidth is given.The conception of the non-real-time communication bandwidth is introduced and the measuring method is presented with emphasis on the measurement of the bottleneck bandwidth.In the measurement the console PC controls the test flow,sets the test parameter and displays the test... |
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| Keywords: | EPA scheduling non-real-time communication bandwidth bottleneck bandwidth |
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