VO中基于使用策略的CPU共享
Usage Policy-based CPU Sharing in VOs
摘要：
网格协作中的资源共享通常意味着参与站点的特定共享机制。在虚拟组织（VO）中，可能会出现共享政策问题，这些组织整合了跨多个物理机构的参与者和资源。资源所有者可能希望向一个或多个VO授予根据本地策略和服务水平协议使用某些资源的权利，并且每个VO可能随后希望根据VO策略使用这些资源。因此，我们必须解决的问题，什么使用政策（UPS）应考虑在VO的资源共享。作为解决这个问题的第一步，我们开发和评估不同的UP方案在一个专门的背景下，模仿科学网格内的资源共享的计算机。我们还提出了一个UP架构，并定义了角色和功能，在这样的网格环境中调度资源，同时满足资源所有者的政策。
英文摘要：
Resource sharing within Grid collaborations usually implies specific sharing mechanisms at participating sites. Challenging policy issues can arise within virtual organizations (VOs) that integrate participants and resources spanning multiple physical institutions. Resource owners may wish to grant to one or more VOs the right to use certain resources subject to local policy and service level agreements, and each VO may then wish to use those resources subject to VO policy. Thus, we must address the question of what usage policies (UPs) should be considered for resource sharing in VOs. As a first step in addressing this question, we develop and evaluate different UP scenarios within a specialized context that mimics scientific Grids within which the resources to be shared are computers. We also present a UP architecture and define roles and functions for scheduling resources in such grid environments while satisfying resource owner policies.
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