Information Systems Based On Distributed Multi-tier Structure

In this paPer the APplication based on Distributed Multi-Tier StrUctUre(ADMS)is discussed. It discusses the disadvatge of TWo-Tier's smicfore at first, then theprimary technologies used in Distributed Mulh-Tier SmiCtUre. The most tWo popularstandards in DiStributed-Object Technology which are analysed in this paPer areOMG CORBA and Microsoft MTS/COM+. We also deeply analyse and discuss thetechnology of MDBI(Multi DataBase Integrate) which is oftem used in ADMS. Atthe same time we give a mode1 of the MDBI. The aPplication in Internet/lntranetuhich is very popular today is also discussed here especially the ADMS combinedwith the Web technology. At last, From the POint of software engineering, we discussthe analyzing and design methord in ADMS, at the sa-me time the componenttechnology in building ADMS is discussed.