Data Centers

A Survey on Grid Computing Approach

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Executive Summary

Grid computing enables virtual organizations to share geographically distributed resources as they pursue common goals, assuming the absence of central location, central control, omniscience, and an existing trust relationship. A recent survey ranked grid computing as sixth on priority lists for IT spending among industry professionals. This paper details the grid protocol architecture. Workflow is the orchestration of a set of activities to accomplish a larger and sophisticated goal. In this paper, the authors review various workflows and the management of workflow in grids and a data transfer scheme of grid workflow based on weighted directed graph. The scheme selects data transfer model according to the job's data processing rate.

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