教育资源网格中的副本放置策略研究

Chang-ming Xing, Fang'ai Liu, Feng-juan Zhang
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引用次数: 0

摘要

复制机制是提高网格性能和减少客户端延迟的有效方法。副本放置策略是复制机制的关键问题。本文介绍了教育资源网格的体系结构。根据体系结构,提出了三种动态副本放置策略。这些策略可以在保证副本存储空间的前提下,从不同方面优化系统性能,减少客户端延迟。通过对实验数据的分析,证明了这些策略的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Replica Placement Strategy Research in Education Resource Grid
Replication mechanism is the efficient method of improving grid performances and reducing client delay. Replica placement strategy is the key problem of replication mechanism. This paper introduces the architecture of education resource grid. According to the architecture, it presents three dynamic replica placement strategies. These strategies can optimize the system performance from different aspects and reduce client delay on the premise of keeping the storage space of replica. These strategies are proved to be effective by analyzing experiment data.
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