Ant Algorithm for File Replica Selection in Data Grid

Authors:
Min Sun;Jizhou Sun;Efeng Lu;Ce Yu
Affiliations:
Tianjin University, Tianjin 300072, China;Tianjin University, Tianjin 300072, China;Tianjin University, Tianjin 300072, China;Tianjin University, Tianjin 300072, China
Venue:
SKG '05 Proceedings of the First International Conference on Semantics, Knowledge and Grid
Year:
2005

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Abstract

Replication of data helps a lot to enable highthroughput file transfer and scalable resource storage in distributed Data Grid environment. The selection of a data replica is critical for users to effectively access a data file. Within this paper, an ant algorithm for file replica selection in Data Grid is proposed and discussed. It is implemented and the advantages of the new ant algorithm are investigated in a grid simulator called OptorSim. The evaluation demonstrates that this new ant algorithm can reduce data access latency, decrease bandwidth consumption and distribute storage site load.