论文信息 - Data replication selection algorithm based on prediction in data grid

Data replication selection algorithm based on prediction in data grid

分析影响数据副本选择的因素,将灰色系统理论应用于副本响应时间的预测,建立GM(1,1)灰色动态拟合模型;同时应用马尔可夫链预测副本可靠性发展趋势,确定系统状态转移概率矩阵,通过系统状态的划分,以概率形式分析和预测副本可靠性,并给出了两种预测算法描述.仿真实验结果表明,该算法预测效果较好,有利于作出正确的副本选择决策,并能有效实现网格中副本存储节点间的负载平衡.

Jing Li

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