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An agent-oriented, trust-aware approach to improve the QoS in dynamic grid federations

机译:面向代理的信任感知方法,用于改善动态网格联合中的QoS

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In this paper, a distributed approach aimed at improving the quality of service in dynamic grid federationsrnis presented. Virtual organizations (VO) are grouped into large-scale federations in which the original goalsrnand scheduling mechanisms are left unchanged, while grid nodes can be quickly instructed to join or leavernany VO at any time. Moreover, an agent-oriented framework is designed to observe and characterize pastrnbehaviors of nodes in terms of resource sharing and consumption, as well as to determine the trust relationshipsrnoccurring between each pair of nodes. By combining trust and historical behaviors into a unifiedrnconvenience measure, software agents are able to evaluate the (i) advantages of node’s membership with VOsrnand (ii) whether a specific set of nodes is able to meet the actual requirements, in terms of resource sharingrnand consumption of a specific VO. The convenience measure has been exploited to design a fully decentralized,rngreedy procedure, aimed at controlling the grid formation process. Extensive simulations have shownrnthat the coordinated and decentralized process of grid formation provides a powerful means to improve thernoverall quality of service of the grid federation.
机译:在本文中,提出了一种旨在提高动态网格联盟中的服务质量的分布式方法。虚拟组织(VO)被分组为大型联盟,在这些联盟中,原始目标和调度机制保持不变,而网格节点则可以随时被迅速指示加入或离开任何VO。此外,面向代理的框架旨在根据资源共享和消耗来观察和刻画节点的行为,并确定每对节点之间发生的信任关系。通过将信任和历史行为结合到一个统一的便利措施中,软件代理能够评估(i)具有VOsrnand的节点成员资格的优势(ii)就资源共享和消耗而言,特定的一组节点是否能够满足实际需求特定VO。便利措施已被用来设计一个完全分散的,贪婪的过程,旨在控制网格的形成过程。大量的模拟表明,网格形成的协调和分散过程为提高网格联合会的总体服务质量提供了有力的手段。

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