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In this paper, we propose a grid service workflow model framework based on stochastic Petri net (SPN) and equivalent methods to simplify the complex service workflow model to a simple model. In our models, the grid service can be of inner services and exterior services. The exterior service will be published to the users and the inner one needs not to be published. The models are expressive enough...
Resource scheduling is a fundamental issue in achieving high performance on computational grids. In this paper, we concentrate on parallel resource scheduling problems for hierarchical resource scheduling architecture of computational grids, and propose a stochastic reward nets (SRN) based performability evaluation framework for evaluating the performability of resource scheduling algorithms for computational...
Grid services allow the services to be seen as a seamless information processing system that the user can access from any location, the grid resources are often distributed, autonomic, heterogeneous and dynamic, and they are accessible through the Internet, when users and cooperant servers communicate with a server. Distributed denial-of service can make the service requests become hard to implement...
Grid computing powered by Web service technology is creating abundant service-oriented applications which are promoting the sharing and collaboration of global resources. Complex tasks can be fulfilled quickly and efficiently by combining (physically distributed) individual services into a competent composite service. Since a lot of available individual services have the same functional properties...
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