网格环境下数据副本创建策略

Data Replication Strategies for Network Environment

副本的创建方法研究的是如何在合适的时间、合适的地点创建相应数据副本。本文在网格环境中探讨了数据副本创建策略,并提出了一种结合Cascading模型与利润驱动模型的副本创建方法。

Replicas creation strategies tend to make decisions on where and when to create which data replicas. This article investigates replica location strategies, further puts forward a method integrating the clients-driven dynamic Cascading Replication model and the profit-driven strategy.