| 高可靠、强实时分布式系统的切换技术研究 |
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| 引用本文： | 胡华平,金士尧,李宏亮.高可靠、强实时分布式系统的切换技术研究[J].国防科技大学学报,1999,21(6):80-83. |
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| 作者姓名： | 胡华平 金士尧 李宏亮 |
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| 作者单位： | 国防科技大学计算机系!长沙410073 |
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| 摘 要： | 本文首先给出某高可靠、强实时分布式系统及系统的两种切换方案的简要描述，然后对切换技术的实现进行讨论；最后，在建立强实时双工系统的可靠性模型基础上，对系统的两种切换方案进行分析与比较。研究结果表明：对于本系统，机组级切换优于结点机级切换，且可以减少程序的复杂度，提高系统的可靠性与实时性。
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| 关 键 词： | 分布式系统 实时系统 可靠性 切换技术 时钟同步 |
| 收稿时间： | 2/5/1999 12:00:00 AM |
The Switch Technology Study of High Reliability, Hard Real-time Distributed System |
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| Hu Huaping,Jin Shiyao and Li Hongliang.The Switch Technology Study of High Reliability, Hard Real-time Distributed System[J].Journal of National University of Defense Technology,1999,21(6):80-83. |
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| Authors: | Hu Huaping Jin Shiyao and Li Hongliang |
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| Institution: | Department of Computer, NUDT, Changsha, 410073;Department of Computer, NUDT, Changsha, 410073;Department of Computer, NUDT, Changsha, 410073 |
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| Abstract: | In this paper, a high reliability, a hard real time distributed system and its two switch schemes are introduced at first. Then, the realization of switch technology is discussed. Finally, based on the reliability model of hard real time dual working system, the two switch schemes are analyzed and compared. The conclusions show: The switch in cluster is superior to the switch in node, and it can not only improve the system reliability and real time, but also reduce the complexity of the program. |
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| Keywords: | Distributed systems Real time system Reliability Switch technology Time synchronization |
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