| Newsoftware rejuvenation strategy based on measurement and time |
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| 引用本文： | 范新媛,蒋乐天,徐国治. Newsoftware rejuvenation strategy based on measurement and time[J]. 系统工程与电子技术(英文版), 2005, 16(3) |
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| 作者姓名： | 范新媛 蒋乐天 徐国治 |
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| 作者单位： | Dept .of Electronics Engineering，Shanghai Jiaotong Univ，Dept .of Electronics Engineering，Shanghai Jiaotong Univ，Dept .of Electronics Engineering，Shanghai Jiaotong Univ Shanghai 200030，P. R. China，Shanghai 200030，P. R. China，Shanghai 200030，P. R. China |
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| 摘 要： | 1 .INTRODUCTIONRecent studies showthat operational software systemsoften experience an“aging”phenomenon,character-ized by progressive performance degradation and un-expected systemoutages[1 ,8 ,9]. The typical causes ofsoftware-aging phenomenon include memory bloatingor leaking, unreleased file-locks , un-terminatedthreads ,data corruption,storage space fragmentationand numerical error accumulation. In systems withstringent reliability/availability requirements ,the un-scheduledfailure d…
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New software rejuvenation strategy based on measurement and time |
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| Fan Xinyuan,Jiang Letian,Xu Guozhi. New software rejuvenation strategy based on measurement and time[J]. Journal of Systems Engineering and Electronics, 2005, 16(3) |
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| Authors: | Fan Xinyuan Jiang Letian Xu Guozhi |
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| Affiliation: | Dept.of Electronics Engineering,Shanghai Jiaotong Univ.,Shanghai 200030,P.R.China |
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| Abstract: | Operational software systems often experience an "aging" phenomenon, characterized by progressive performance degradation and a sudden hang/crash failure. Software rejuvenation is a proactive fault-tolerance strategy aimed to prevent unexpected outages due to aging. A new rejuvenation strategy based on measurement and time, and constructs a SRN model to evaluate this strategy. Numerical results show that this strategy outweighs either the purely measurementbased or the purely time-based strategy and can effectively improve system performance. |
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| Keywords: | software aging software rejuvenation stochastic reward net. |
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