Abstract: In the 3D collaborative systems, 3D graphics rendering efficiency and transmission rate affect the overall efficiency of the system. In this paper, a distributed architecture is designed to ensure that the 3D graphics rendering and transmission efficiency in the collaborative system. The rendered 3D graphics are in the form of photographs to generate an image transporting on the network, breaking the limitations of traditional 3D graphics rendering on browsers as well as mobile terminals that consume enormous resources limitations. In addition, through the establishment of multi-threaded. TCP communications on the server, it not only ensures the reliability of user interaction, but also avoids the operations ambiguity of multiple users simultaneous operation of 3D graphics. Finally it achieves users real-time interaction with 3D graphics, thereby improves the users experience.
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Key words:  collaborative system, distributed architecture, three-dimensional graphics rendering, TCP communication