Instance of multi-media distance education system

The technology to design a distance education system is very fledged nowadays.Some media and network stations have de-signed some instances to adapt to different environments and mechanisms.From the view of project,the flat-roof design and correlation technique of advanced net education is mainly discussed,andthe design architectureof net educationmanagement system is also discussed.The main function of flat-roof is to fulfill mutual teaching of multimedia and net education management system.The flat-roof can use the net means maximally to simulate the education flow of true-life.Some difficult problems are detailed such as multi-flow paralleled,courseware's storage,security and protection,etc.