A Design Method of Distributed Workflow Engine

The technique of distributed workflow is a newer researching direction in the realm of computer's application, and the distributed execution of workflow engine is an inevitable trend of the development of workflow. Aimed at the practical requirement of enterprise, the architecture of workflow engine is put forward, the function of each part in the engine's architecture is described, and the executive process of workflow engine is analyzed. Finally, the design thought of workflow is applied to the concreted instance's analysis - "online purchase books", and the executive process of the instance is described by the activity diagram of UML