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计算机工程 ›› 2006, Vol. 32 ›› Issue (24): 58-59. doi: 10.3969/j.issn.1000-3428.2006.24.021

• 软件技术与数据库 • 上一篇    下一篇

移动环境下一种基于日志的数据复制方法

马 隆,林怀忠   

  1. (浙江大学计算机学院,杭州 310027)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-12-20 发布日期:2006-12-20

A Log-based Data Replication Approach in Mobile Environment

MA Long, LIN Huaizhong   

  1. (College of Computer Science, Zhejiang University, Hangzhou 310027)
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-12-20 Published:2006-12-20

摘要: 乐观复制方法被广泛应用于移动环境中,提出了一种新的基于日志的数据复制方法,该方法使用相对较小的通信和存储开销,能更有效地记录数据更新以及进行数据同步,和传统的方法比,该方法更适用于小型的数据记录。

关键词: 乐观复制, 数据集, 日志域, 状态向量

Abstract: Optimistic replication is widely used in mobile environment. This paper presents a log-based data replication model, which records and reconciles changes to data more efficiently and causes less communication and storage overhead. Compared with traditional approach, this model is especially suited to large quantity of small data.

Key words: Optimistic replication, Data set, Log region, State vector