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Towards supporting multiple virtual private computing environments on computational Grids
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DOI：10.1016/j.advengsoft.2008.04.005.png)
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Abstract
En 中文
Grid computing now becomes a practical computing paradigm and solution for distributed systems and applications. Currently increasing resources are involved in Grid environments and a large number of applications are running on computational Grids. Unfortunately Grid computing technologies are still far away from reach of inexperienced application users, e.g., computational scientists and engineers. A software layer is required to provide an easy interface of Grids to end users. To meet this requirement HEAVEN (Hosting European Application Virtual ENvironment) upperware is proposed to build on top of Grid middleware. This paper presents HEAVEN philosophy of virtual computing for Grids - a combinational idea of simulation and emulation approaches. The concept of Virtual Private Computing Environment (VPCE) is thereafter proposed and defined. The design and current implementation of HEAVEN upperware are discussed in detail. Use case of Ag2D application justifies the philosophy of HEAVEN virtual computing methodology and the design/implementation of HEAVEN upperware. (C) 2008 Elsevier Ltd. All rights reserved.
Keywords:
Grid computing
Virtual environment
Workflow
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