Application Information Services for distributed computing environments

Grid computing environments are characterized by resource heterogeneity that leads to heterogeneous application execution characteristics. This is due to the application-resource dependency and changing the availability of the underlying resources. In order to recognize and understand such dependencies, there is a need to capture and study the behavior of individual applications as they move through the environment. To that extent, we present a set of core grid services, collectively called Application Information Services (AIS) that provide means to capture and retrieve application-specific information. The complete availability of such information fosters information sharing and enables advanced application execution models and tools to be developed at the level of the grid. We show examples of use and potential application job performance benefits with AIS.

网格计算环境的特点是资源异构性，这导致了应用程序执行特性的异构。这是由于应用程序对资源的依赖性以及底层资源可用性的变化。为了识别和理解这种依赖性，需要在应用程序在环境中运行时捕捉和研究其行为。为此，我们提出了一组核心网格服务，统称为应用信息服务（AIS），它们提供了捕捉和检索特定应用信息的方法。此类信息的完全可用性促进了信息共享，并使得能够在网格层面开发先进的应用程序执行模型和工具。我们展示了使用AIS的示例以及对应用作业性能的潜在益处。