Replica Replacement Strategy Evaluation Based on Grid Locality

Authors:
Lihua Ai;Siwei Luo
Affiliations:
School of Computer and Information Technology, Beijing Jiaotong University, China;School of Computer and Information Technology, Beijing Jiaotong University, China
Venue:
CloudCom '09 Proceedings of the 1st International Conference on Cloud Computing
Year:
2009

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Abstract

It is highly needed on grid environment to have a high degree of data reuse to increase the performance of grid computing. We present a measure of grid locality to identify the degree of data reuse. The measure of grid locality unifies composite factors such as hit ratio, storage buffer size, and network transmission rate. The measure is applied to the evaluation of replica replacement strategy utilized in grid environment. Experiments show that the grid locality measure can evaluate the influence conducted by replica replacement strategy effectively.