第 3 章数据网格副本创建策略 ······································································· 19 3.1 引言········································································································· 19 3.2 基于用户驱动的副本创建····································································· 20 3.3 基于经济模型的副本创建····································································· 23 3.3.1 代理结构组件模型·········································································· 23 3.3.2 基于经济模型的副本创建策略······················································· 24 3.4 基于网络带宽差异的副本创建····························································· 26 3.4.1 网格集群分类结构·········································································· 27 3.4.2 HRS 算法·························································································· 28 3.4.3 仿真与讨论······················································································ 30 3.5 本章小结································································································· 32 第 4 章基于纳什均衡的数据网格副本选择策略············································ 33 4.1 引言········································································································· 33 燕山大学工学硕士学位论文 VI 4.2 博弈论概述····························································································· 33 4.2.1 博弈要素及博弈的分类·································································· 34 4.2.2 博弈模型举例··················································································· 35 4.3 副本选择博弈模型GMDS····································································· 36 4.3.1 副本选择博弈模型描述·································································· 37 4.3.2 偏好关系·························································································· 38 4.3.3 GMDS 副本效用函数······································································· 39 4.4 副本选择与纳什均衡·············································································· 41 |
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