NGS/Models to Support Performance-Engineering of Global Computations

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Models to Support Performance-Engineeringof Global ComputationsThis Proposal focuses on modeling and scheduling methodologies that will enable global computing,thus extending Computational Grids and high-performance distributed computing toa global level.There are three objectives to the work proposed:1. develop novel models of complex emerging global and Grid computing platforms forboth resource availability and resource classi_cation, attempting to unify the performance characteristicsof both platform types.2. Using these models, develop scheduling strategies which enable robust, predictable performanceand deliver high availability for applications.3. validate these approaches with two \real-world" global computing applications, using bothnovel simulation techniques and if possible a real global computing system.The predictive models and simulationframework will advance the foundational understanding of both Grid and global computing environments.These developments particularly will be key to advancing the state-of-the-art of the globalcomputing infrastructure by addressing the computer science research questions that are relevantto both communities.