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Open cloud platform provides compute, storage and network resources as services to application developers. It is unrealistic to require all the third-party developers to develop stable applications. Hence admission control and reasonable scheduling of all the requests are very necessary for the platform stability. Based on the theory of Lyapunov drift and Lyapunov optimization, a differentiated service...
The technology of computer modeling and simulation is applied to compute and analyze external flow field of the wheels for a medium-class passenger car. Comparisons are drawn between the different results of flow field around the wheels in case that the flow field is modeled and solved with the two different boundary conditions of wheel: one is the stationary wall and the other is the rotating wall...
Aiming at the representation and requirement description of grid resource information, this paper introduces the advantages of XML in grid information representation, puts forward a XML-based models for resource representation and requirement description. The resource representation model depicts resource state completely, and the requirement description model supports personal demands and helps resource...
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