Design And Realization Of Local Business & Account System Based On Multi-tiered Architecture

The Local Business & Account System is developed by China Telecom to enhance its competitive ability. Integrated with the computer technology, communication technology and the expertise knowledge, it is a credible, advanced and adaptable application system which is provided to the authorized Local Integrated Business&Account Center.By compared with the traditional C / S (Client / Server) architecture , the reformed modelof C / S-multi-tiered is addressed. At the same time, the middleware technology isanalysized in different views and the main thought and methods of the component technology are discussed in detail.Finally, with the expertise and engineering in the subject, some measurements of database maintaining are given (for example, the problem of deadlocks of Sybase is described).