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首页> 外文期刊>The international arab journal of information technology >Design and Implementation of a Synchronous and Asynchronous-Based Data Replication Technique in Cloud Computing
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Design and Implementation of a Synchronous and Asynchronous-Based Data Replication Technique in Cloud Computing

机译:云计算中基于同步和异步数据复制技术的设计与实现

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摘要

Failures are usual rather exceptional in cloud computing environment. To access from the nearby site, the often used data should get replicated to multiple locations to compose the users to advance the system accessibility. A challenging task in cloud computing is to decide a sensible number and right location of replicas. At this point, we propose an adapted dynamic data replication approach to decide a sensible number and right location of replicas and we compare both the adapted dynamic data replication approach and normal dynamic data replication approach. The normal dynamic data replication approach has three dissimilar stages which are the recognition of data file to replicate, number of replicas to be created and placing new replicas. We adapt the popularity degree in the initial stage of normal dynamic data replication approach and also we consider the failure probability for replica factor calculation and the other two stages are related to the normal dynamic data replication approach. When we update the major data center we moreover integrate the synchronous and asynchronous updation of replica data file.
机译:在云计算环境中,故障通常是相当罕见的。要从附近的站点进行访问,应将经常使用的数据复制到多个位置以组成用户以提高系统的可访问性。云计算中一项具有挑战性的任务是确定副本的合理数量和正确位置。在这一点上,我们提出了一种适合的动态数据复制方法来确定副本的合理数量和正确位置,并比较了适合的动态数据复制方法和正常的动态数据复制方法。普通的动态数据复制方法具有三个不同的阶段,分别是要复制的数据文件的识别,要创建的副本数和放置新副本。我们在普通动态数据复制方法的初始阶段适应了流行程度,并且考虑了复制因子计算的失败概率,另外两个阶段与普通动态数据复制方法有关。此外,在更新主要数据中心时,我们还集成了副本数据文件的同步和异步更新。

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