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《中国工程科学》 >> 2009年 第11卷 第10期

面向全系统毁坏后的服务即时恢复技术

清华大学计算机科学与技术系,北京 100084

收稿日期 :2009-08-13 修回日期 :2009-08-25 发布日期 :2009-10-12 14:00:17.000

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摘要

论述了一种全新的系统容灾保护方法,它脱离了传统基于数据保护的容灾保护思路,通过复制包括数据状态以及服务运行状态在内的全系统状态,并引入并行恢复的思想,最终达到了无论系统毁坏程度如何,都能保证服务即时恢 复的目的。同时,与传统技术相比,该技术还可独立于具体设备和应用,容易做到容灾资源的共享从而节省了容灾系统的建设成本。

关键词

容灾 ; 虚拟化 ; 并行

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