A Model Providing Multi-Level Cache in Data Grid

Accessing to widely distributed massive data in Data Grid which is a typical distributed system costs a lot of time. This paper introduces a model providing multi-level cache to implement fast data uniform access in Data Grid. It uses two-level cache, which adopts two Cache-Data Tables to locate Cache-Data and control data access, designs replacing data algorithm in its cache, and provides a set of flexible config methods which can separate cache from client or server and implement scalable cache in client or server.