山东大学学报(理学版) ›› 2018, Vol. 53 ›› Issue (1): 63-74.doi: 10.6040/j.issn.1671-9352.2.2017.247
齐平1,2, 王福成2, 王必晴1,2
摘要: 根据并行任务及胖树形云系统的结构特点,综合考虑了云计算环境下资源节点与通信链路的可靠性问题,构建了基于任务执行行为的云系统可靠性度量模型。提出了一种基于图的可信云资源调度模型,将云任务可信资源需求与云资源动态供给的最优匹配问题转换成最小费用最大流图的构造和求解问题。针对图的求解计算复杂度较高的问题,结合商空间理论将初始网络转化为规模较小的商网络进行求解。仿真实验结果表明,该算法能够有效提高云任务执行的成功率,降低基于图模型的资源调度算法延迟。
中图分类号:
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