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基于网格双层动态副本创建策略的改进 被引量:1

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摘要 本文在双层动态副本创建策略的基础之上进行了改进,使其能够很好的满足用户访问所需副本的要求,并能提高副本的传输速率与带宽的利用率。在替换副本时也依据频率值,将不经常访问的副本删除。实验结果表明,改进算法提高了用户访问副本的效率。
作者 张瑞藜
出处 《信息与电脑(理论版)》 2012年第9期78-79,共2页 China Computer & Communication
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