| 移动分布式实时事务实时原子提交 |
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| 引用本文： | 肖迎元,刘云生,王洪亚,刘小峰,廖国琼.移动分布式实时事务实时原子提交[J].计算机应用,2005,25(11):2641-2644. |
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| 作者姓名： | 肖迎元 刘云生 王洪亚 刘小峰 廖国琼 |
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| 作者单位： | 华中科技大学,计算机科学与技术学院,湖北,武汉,430074;华中科技大学,计算机科学与技术学院,湖北,武汉,430074;华中科技大学,计算机科学与技术学院,湖北,武汉,430074;华中科技大学,计算机科学与技术学院,湖北,武汉,430074;华中科技大学,计算机科学与技术学院,湖北,武汉,430074 |
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| 基金项目： | 国家自然科学基金资助项目（60203017）;国家十五国防预研重点项目（413150403）;国防预研基金项目（51415030203JW05）;中国博士后科学基金资助项目（2003034482）. |
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| 摘 要： | 形式地给出了移动分布式实时事务实时原子提交协议的定义，在此基础上提出了适合于移动分布式实时事务的实时原子提交协议：一阶段实时原子提交协议(1PRACP)。1PRACP通过参与者与协调者的一次消息交换，在一个阶段完成移动分布式实时事务提交活动；结合超时恢复处理协议，1PRACP能避免由于站点故障或网络通信链路故障而导致的阻塞。对1PRACP进行了性能比较和评测，显示了它在各方面的优越性。
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| 关 键 词： | 移动分布式实时数据库 移动分布式实时事务 实时原子提交 截至期 优先级 |
| 文章编号： | 1001-9081（2005）11-2641-04 |
| 收稿时间： | 2005-05-12 |
| 修稿时间： | 2005-05-122005-07-23 |
Real-time atomic commitment for mobile distributed real-time transactions |
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| XIAO Ying-yuan,LIU Yun-sheng,WANG Hong-ya,LIU Xiao-feng,LIAO Guo-qiong.Real-time atomic commitment for mobile distributed real-time transactions[J].journal of Computer Applications,2005,25(11):2641-2644. |
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| Authors: | XIAO Ying-yuan LIU Yun-sheng WANG Hong-ya LIU Xiao-feng LIAO Guo-qiong |
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| Affiliation: | College of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan Hubei 430074, China |
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| Abstract: | The formal definition of real-time atomic commitment of mobile distributed real-time transactions was introduced.On the basis of the above definition,one-phase real-time atomic commitment protocol(1PRACP) suitable for mobile distributed real-time transactions was presented.According to 1PRACP,the commitment procedure of a mobile distributed real-time transaction was completed in one-phase through a one-time message exchange between participant and coordinator.Combined with overtime recovery processing protocol,1PRACP can be free of the blocking which is caused by site failure or communication link failure.The results of performance comparison and evaluation show that 1PRACP can improve the performances of mobile distributed real-time database systems. |
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| Keywords: | mobile distributed real-time database mobile distributed real-time transaction real-time a~omic commitment deadline priority |
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