| 移动计算系统检查点迁移策略的性能评价 |
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| 引用本文： | 门朝光,徐振朋,李香.移动计算系统检查点迁移策略的性能评价[J].哈尔滨工业大学学报,2010,42(5):806-810. |
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| 作者姓名： | 门朝光 徐振朋 李香 |
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| 作者单位： | 哈尔滨工程大学高可信计算技术研究中心;哈尔滨工程大学高可信计算技术研究中心;哈尔滨工程大学高可信计算技术研究中心 |
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| 基金项目： | 国家自然科学基金资助项目(60873138) |
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| 摘 要： | 为了有效评估移动计算系统检查点迁移处理策略的性能,基于移动计算系统自身所具有的特性,给出了移动计算系统中的进程状态模型,并在此基础上提出了一种移动计算系统检查点迁移处理策略性能评价模型.利用该性能评价模型对当前的3种日志检查点迁移策略进行了仿真实验,结果显示该模型与实际情况相吻合,从而验证了此性能评价模型的有效性.该检查点迁移处理策略性能评价模型可用于确定不同移动计算环境下相对适用的检查点迁移处理策略.
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| 关 键 词： | 移动计算 容错 检查点 握手迁移 |
The performance evaluation of checkpoint handoff scheme for the mobile computing system |
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| MEN Chao-guang,XU Zhen-peng and LI Xiang.The performance evaluation of checkpoint handoff scheme for the mobile computing system[J].Journal of Harbin Institute of Technology,2010,42(5):806-810. |
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| Authors: | MEN Chao-guang XU Zhen-peng and LI Xiang |
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| Affiliation: | R&D Center of High Dependability Computing Technology,Harbin Engineering University,Harbin 150001,China;R&D Center of High Dependability Computing Technology,Harbin Engineering University,Harbin 150001,China;R&D Center of High Dependability Computing Technology,Harbin Engineering University,Harbin 150001,China |
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| Abstract: | To effectively evaluate the performance of checkpoint handoff scheme for mobile computing system,a model of process state in the mobile system is presented,and then a performance evaluation model for the checkpoint handoff scheme is proposed,according to the characteristics of mobile computing system.The simulation experiments for three existing logging checkpoint recovery schemes have been implemented by the proposed performance evaluation model.The result shows that the performance evaluation model is consistent with practical cases,which proves its validity.By the proposed model of performance evaluation,the proper checkpoint handoff scheme can be determined for a specific mobile computing environment. |
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| Keywords: | mobile computing fault tolerance checkpoint handoff |
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