【摘要】 在经济学中供需驱动价格模型的基础上,设计了基于市场经济的副本服务模型,设计目标是要改善副本情况,还要改善大数据集在网格中移动的方式.在给出的数据副本代理策略中,不仅可以找到最佳服务提供者,通过对传输过程的监控,还可以用更好的服务提供者替换当前服务提供者.在传输任务重的情况下,通过寻找联合服务提供者来共同完成任务.本策略更侧重于维护服务需求者的利益,服务提供者在公平竞争的前提下,为服务需求者提供了高质量的服务.更多还原

【Abstract】 On the basis of the price model drove by supply and demand in economy,this paper designs the replicate service model in the market economy for the purpose of improving not only the replicate but also the moving pattern of the big data set in grid.According to the strategy of data replicate agent designed in this paper,not only the best service suppliers can be found,but also the better service suppliers can replace the former ones by monitoring the transmission process.Moreover,the heavy transmission tasks can be completed by way of seeking co-suppliers.The strategy puts emphasis on safeguarding the interests of service demanders,the service suppliers may provide the high quality services on the condition of fair competition.更多还原