文章摘要
赵晓昳,董小社,田红波,曾灵萍,刘菲菲.网状结构网格服务可靠性模型研究[J].高技术通讯(中文),2012,22(1):14~19
网状结构网格服务可靠性模型研究
A reliability model for network structured grid services
  修订日期:2010-06-08
DOI:
中文关键词: 网格, 服务可靠性, 网状结构
英文关键词: grid, service reliability, network structured topology
基金项目:国家自然科学基金(60773118)和863计划(2009AA01Z108)资助项目
作者单位
赵晓昳 西安交通大学电子与信息工程学院西安 
董小社 西安交通大学电子与信息工程学院西安 
田红波 西安交通大学电子与信息工程学院西安 
曾灵萍 西安交通大学电子与信息工程学院西安 
刘菲菲 西安交通大学电子与信息工程学院西安 
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中文摘要:
      针对已有简化网格服务可靠性模型无法精确反映网格网状拓扑结构特性的问题,提出了一种把已有简化网格服务可靠性模型扩展为网状拓扑结构的网状结构网格服务可靠性模型。同时,基于网状结构服务可靠性模型,提出了一种适用于网状结构服务可靠性模型的服务可靠性评估算法,该算法通过形式化描述模型以及化简求解获得网格服务的可靠性分布。实验表明,网状结构服务可靠性模型以及可靠性评估算法不仅兼容已有简化网格服务可靠性模型,而且适用于复杂网状结构网格系统建模。
英文摘要:
      To address the problem that the existing simplified reliability models for grid services can not reflect the characteristic of network structured topology of grid services, a network structured reliability model that extends the topologies of the existing simplified reliability models to the network structured topology is proposed,and based on the network structured reliability model, an algorithm for evaluating the grid service reliability distribution is presented. The algorithm obtains the reliability distribution of grid services based on formalized specification and simplified solving procedures. The experimental results show that the network structured reliability model and the algorithm for evaluating the grid service reliability distribution can not only be compatible with the existing simplified service models, but also be adapted to the complex network structured topology of grid.
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