| 基于Markov链的容错系统可靠性评估 |
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| 引用本文： | 刘璧怡,吴智博,景维鹏.基于Markov链的容错系统可靠性评估[J].清华大学学报(自然科学版),2011(Z1). |
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| 作者姓名： | 刘璧怡 吴智博 景维鹏 |
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| 作者单位： | 哈尔滨工业大学计算机科学与技术学院计算机科学与工程系; |
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| 基金项目： | 国家“八六三”高技术项目(2006AA01A103) |
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| 摘 要： | 计算机可靠性是衡量计算机系统性能的一项重要指标,评估计算机系统的可靠性在系统的设计和实践阶段有着十分重要的意义。针对较为常见的双机冗余容错系统,该文给出了一种基于Markov模型的评估容错系统可靠性的方法,该方法通过故障注入来加速系统失效、模拟容错系统运行时的事件、对系统运行状态进行划分,使用Markov链对系统状态进行建模来评估容错系统的可靠性。实验测试结果表明:该方法能有效地对容错系统可靠性进行评估。
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| 关 键 词： | 容错系统 故障注入 可靠性评估 Markov链模型 |
Markov chain reliability evaluations of fault-tolerant systems |
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| LIU Biyi,WU Zhibo,JING Weipeng.Markov chain reliability evaluations of fault-tolerant systems[J].Journal of Tsinghua University(Science and Technology),2011(Z1). |
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| Authors: | LIU Biyi WU Zhibo JING Weipeng |
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| Institution: | LIU Biyi,WU Zhibo,JING Weipeng(Department of Computer Science & Engineering,School of Computer Science & Technology,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | Computer system reliability has become an important measure of computer system performance.Therefore,evaluations of computer reliability have great significance on systems design.This paper describes a reliability evaluation method for fault-tolerant computer systems based on Markov chains for the most common dual-redundant fault-tolerant systems.The reliability evaluation model is designed for the different states of fault-tolerant systems.Tests show that this method can effectively evaluate the reliabilit... |
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| Keywords: | fault-tolerant systems fault injection reliability evaluation Markov model |
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