Key technology research on data middleware of integrated simulation exercises system

In order to sustain the integration exercise simulation system, an Object-Oriented distributing data middleware was put forward, the architecture of the data middleware was designed, the data criterion the consistency of semantic of the sub-systems was implemented by data dictionary, the object-relation data model and data-distributing were described using metadata, the access flow of the data middleware was expatiated, and the remote data access course, isomerous data model, distributed data transaction were introduced, the control and maintain process and the managing method of data collection were showed.