Design and Implementation of Network Based Collaborative Design System

In order to support collaborative design in network environment, according to the aim and requirements of network based collaborative design system (NCDS), the functional architecture of NCDS was designed and its key technology includes improving of collaborative application sharing, multimedia communication in real-time, management of collaborative interaction and network environment of collaborative work were researched. Finally, a NCDS was developed and its correctness and feasibility was validated by applied in practice.