连续数据保护中的数据一致性保障技术研究综述  

Survey of Data Consistency Insurance Technologies for Continuous Data Protection

作　　者：刘林[1] 熊琦[1] 吴世忠[1] 

机构地区：[1]中国信息安全测评中心,北京100085

出　　处：《计算机科学》2011年第B10期124-127,132,共5页Computer Science

基　　金：国家自然科学基金重点项目(90818021)资助

摘　　要：连续数据保护是当前灾难恢复领域的新方向,它克服了传统数据备份和快照技术的缺陷,从新的角度对关键数据进行保护。首先对连续数据保护的工作过程进行了阐述,对其中存在的几类数据一致性问题进行了剖析,并结合当前国内外的连续数据保护技术中涉及的数据一致性保障措施进行了概括和归纳,分析其不足之处,并指出连续数据保护数据一致性保障技术的未来发展方向。As a new branch of disaster tolerance,Continuous Data Protection（CDP） overcomes the weakness of traditional data backup and snapshot technology,protecting critical data with novel method.The working flow of Continuous Data Protection was first introduced,then problems leading to data inconsistency in CDP were analyzed,and some technologies employed for data consistency protecting were summarized and analyzed.The future research direction in CDP data consistency protection was pointed out.

关 键 词：连续数据保护 数据一致性 数据灾难恢复 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]