提出了基于蚁群算法的副本放置策略,充分利用了蚁群算法在目标优化问题中的优势,用OptorSim模拟实验结果表明该算法可以有效地减少作业对文件请求的响应时间,从而提高整个系统的性能。
The paper proposed the data location strategies based on ant system and utilized the advantages of the ant system in destination optimization. The results simulated with OptorSim showed the method can improve the performance of the whole system.