A Desgin of the Three-Tier Scheme of EASERVER Application Server in the Troubleshooting Expert System

Considering many separated maintenance databases of the airline companies, this paper presents a solution based on the C/A/S construction of EASERVER application server. The solution is applied in the troubleshooting expert system.It optimizes the software construction of the expert system, and avoids upgrade of hardware so as to reduce the cost. By combining NVO(Non Visual Object) with DATAWINDOW, it solves the problem of dealing with and sharing a lot of data in the expert system.