收稿日期: 2011-11-29
修回日期: 2012-02-23
网络出版日期: 2013-01-15
基金资助
国家自然科学基金(60673172);国家高技术研究发展计划(863)项目(2006AA01A110);安徽省高等学校青年人才基金(2011SQRL026)和安徽省高校省级科学研究项目(KJ2011Z142)资助
Adaptive replica consistency mechanism for cloud storage
Received date: 2011-11-29
Revised date: 2012-02-23
Online published: 2013-01-15
王喜妹 , 杨寿保 , 王淑玲 , 郭良敏 . 云存储中一种自适应的副本一致性维护机制[J]. 中国科学院大学学报, 2013 , 30(1) : 90 -97 . DOI: 10.7523/j.issn.1002-1175.2013.01.014
An adaptive replica consistency mechanism is proposed based on consistency requirements, including update consistency and reconciliation strategy. System regulates replica consistency mechanism dynamically according to consistency requirements so that a dynamic balance between consistency, availability, and system performance is achieved. Evaluation results show that the proposed mechanism decreases the amount of operation significantly while guarantees consistency requirements and promotes replica availability.
Key words： adaptive; replica; consistency; balance; cloud storage
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