| 基于硬件优先级队列的FC实时交换机的研究 |
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| 引用本文： | 徐晓飞,黄浩益,姚拱元.基于硬件优先级队列的FC实时交换机的研究[J].航空电子技术,2005,36(1):16-18,53. |
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| 作者姓名： | 徐晓飞 黄浩益 姚拱元 |
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| 作者单位： | 1. 上海交通大学,上海,200030
2. 中国航空无线电电子研究所,上海,200233 |
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| 摘 要： | 实时交换机可为用户提供微秒级硬实时通信性能,在航空航天领域具有广阔的应用前景。本文提出采用硬件优先级队列来实现FC实时交换机,以支持航电统一网络的硬实时通信。标准的FC协议采用虚电路方式支持实时通信。相对于虚电路方式实现的实时通信,本文设计的FC实时交换机具有实时通信延迟小、系统吞吐量高等优点。
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| 关 键 词： | 硬实时通信 优先级队列 FC交换机 |
| 文章编号： | 1006-141X(2005)01-0016-04 |
| 修稿时间： | 2004年12月22 |
The Research on FC Real-Time Switch Based on Hardware Priority Queue |
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| XU Xiao-fei,HUANG Hao-yi,YAO Gong-yuan.The Research on FC Real-Time Switch Based on Hardware Priority Queue[J].Avionics Technology,2005,36(1):16-18,53. |
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| Authors: | XU Xiao-fei HUANG Hao-yi YAO Gong-yuan |
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| Institution: | XU Xiao-fei 1,HUANG Hao-yi 2,YAO Gong-yuan 2 |
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| Abstract: | Real-time switch can provide user with the function of hard real-time communication in microsecond, and it can be used in the field of aviation and space flight broadly. The paper puts forward a method to realize FC real-time switch based on hardware priority queue. FC standard adopts virtual circuit to realize real-time communication. Comparing to virtual circuit, the method proposed in the paper has less communication delay and higher network throughout. |
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| Keywords: | hard real-time communication priority queue FC switch |
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