Document Type: Original Research Paper

Author

islamic azad university, mahshahr branch

Abstract

In data grid, using reservation is accepted to provide scheduling and service quality. Users need to have an access to the stored data in geographical environment, which can be solved by using replication, and an action taken to reach certainty. As a result, users are directed toward the nearest version to access information. The most important point is to know in which sites and distributed system the produced versions are located. By selecting a suitable place for versions, the versions having performance, efficiency and lower access time are used. In this study, an efficient method is presented to select the best place for those versions created in data grid by using the users’ firefly algorithm which is compared with cooling algorithm. Results show that firefly algorithm has better performance than others.This means firefly algorithm is better and more accurate than genetic algorithm and particle swarm optimization in data replication task.

Keywords

Main Subjects

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