Application of Multilayer Distributing Model Based on COM/DCOM

The paper analyzes the construction and basic characters of COM/DCOM component technology,and also analyzes the procedure that base on the DCOM′s multilayer application.COM/DCOM is a mainstream discreteness system which Microsoft Corporation advanced,COM provids a set of interface that allow client-side and server-side in a computer to communicate.DCOM is the extend of COM,the application,components,tools and knowledge based on the COM can be migrated to the area of standard distributing calculation.DCOM can be used to deal with the details of the low layer in the network protocol.The presented example which based on the COM/DCOM multilayer distributing model gets good effect in the application.