Performance Evaluation of Priority and Path Control Schemes for Grid Applications

In a grid computing environment, a grid resource control that considers not only the ability of the computer resources but also the available network resources is needed in order to execute parallel processing effectively. In particular, there is a possibility that the execution performance of a grid application decreases because of the congestion created by two or more flows that are generated on the same network path. Therefore, a network control scheme in a grid computing environment should consider the multiple flows generated from its own application, as well as from other applications. In this paper, we propose a priority control scheme of several flows that are generated simulteneously, in order to improve the execution time of the grid application without reserving a network resources. Moreover, we discuss a method for improving the effect of the propriety control by using path selection that is distinct from the priority flows and other flows.