| 基于拜占庭容错的Checkpoint协议 |
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| 引用本文： | 周伟,陈柳. 基于拜占庭容错的Checkpoint协议[J]. 计算机与现代化, 2013, 0(11): 104-107 |
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| 作者姓名： | 周伟 陈柳 |
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| 作者单位： | [1]华中师范大学计算机学院,湖北武汉430079 [2]武汉工程大学电气信息学院,湖北武汉430073 |
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| 基金项目： | 华中师范大学基本科研业务费专项资金（理科）资助项目（CCNU13A05012） |
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| 摘 要： | 根据Web服务的特点，设计一个拜占庭容错Checkpoint协议。Checkpoint协议在复制品中定期创建检查点，将复制品都认可的稳定状态保存，这些检查点可以在复制品进行状态转换和前摄恢复时提供历史数据。与其他的拜占庭容错Checkpoint协议相比，该协议最大的改进在于允许Web服务改变自身的状态，这一点对于Web服务，尤其是组合服务尤其重要。通过实验分析，结果显示了算法的有效性。
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| 关 键 词： | 复制品 Web服务 检查点 状态转换 |
Checkpoint Protocol Based on Byzantine Fault Tolerance |
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| ZHOU Wei,CHEN Liu. Checkpoint Protocol Based on Byzantine Fault Tolerance[J]. Computer and Modernization, 2013, 0(11): 104-107 |
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| Authors: | ZHOU Wei CHEN Liu |
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| Affiliation: | 1. School of Computer, Central China Normal University, Wuhan 430079, China; 2. School of Electrical and Information Engineering, Wuhan Institute of Technology, Wuhan 430073, China) |
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| Abstract: | Based on the features of Web services, a Checkpoint protocol in Byzantine fault tolerance is proposed. The Checkpoint protocol creates check point in the replicas periodically and stores the stable states which most replicas accept. The check points can provide historical data when replicas transfer their states and recover. In contrast with other Checkpoint protocols, the most improvement is that the protocol enables the replicas change their states, which is important for Web services. The experimental results show the effective of the algorithm. |
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| Keywords: | replica Web services checkpoint state transfer |
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