After the deep research of the existing methods of the screen sharing,proposed an efficient scheme according to the practice of the distance education system,to achieve the high compressed ratio at the same time protecting the nearly lossless visual quality.

After summarizing several main technologies of screen sharing,this paper presented an efficient screen compression algorithm with an analysis of the characteristics of the screen picture,and then drew out the corresponding solution of the screen sharing based on the TCP/IP networks.

Study of MVC design pattern to support multiple terminal based on J2EE;

A multi-user shared virtual environment when oriented geosteering drilling base on MAS is put forward in this paper in allusion to the shortage of conventional drilling process with difficulty of calling the experts into session on site for cooperative working.

The implementation of customer knowledge sharing requires proper information technology support,complete_infrastructured network in order to improve the range and efficiency of customer knowledge sharing.