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With the gradually extending of problem application scale, science and engineering computing becomes more and more complicated. Designing a collaborative problem solving environment aiming at specific fields is becoming more and more important. In order to integrate various heterogeneous resources and provide a flexible problem solving environment, we proposed a novel grid approach: SECGrid (Science...
The uncertainties of grid nodes security are main hurdle to make the job scheduling secure, reliable and fault-tolerant. The fixed fault-tolerant strategy in jobs scheduling may utilize excessive resources. In this paper, the job scheduling decides which kinds of fault-tolerance strategy will be applied to each individual job for more reliable computation and shorter makespan. And we discuss the fuzziness...
Grid scheduling is one of the most crucial issue in a grid environment because it strongly affects the performance of the whole system. Taking into account that the issue of allocating jobs on resources is a combinatorial optimization problem, a NP-complete problem, several heuristics have been proposed to provide good performance. In this paper, the proposed approach considers a stochastic optimization...
Because of the distributing and heterogeneity of grid, system monitoring is very important to the grid environment. Now, a lot of grid monitoring systems have been developed and a grid monitoring architecture (GMA) has been proposed by Global Grid Forum. This paper describes the monitoring system GMS (grid monitoring service). GMS is a general purposed, scalable and distributed grid monitoring service...
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