C-Superman: a Web-based synchronous collaborative CAD/CAM system

Distributed synchronous collaborative design and manufacturing is considered as an important development aspect of numeric design and manufacturing in network environments, and is gaming more and more attention. In this paper, C-Superman, a Web-based synchronous collaborative system is presented. Then, system implementation mode, architecture and function modules are discussed. Furthermore, some key technologies such as session communication and data transmission, concurrent control and consistency maintenance, cooperative awareness in remote environments and load balancing are studied.