Achieving Transparent & Real-Time Collaboration in Co- AutoCAD Application

In order to support the real-time collaboration between geographically distributed designers, the single-user application AutoCAD is required to be transformed transparently into groupware system by adopting fully replicated architecture. As the core issue to maintain the consistency of the distributed replicas, traditional consistency maintenance algorithms (such as Operation Transformation and Address Space Transformation algorithms), however, support only linear data model, and may lead to low algorithm efficiency and small operation types when adapted to the collaborative design field.