Research on the Optimal Path Web Services in Distributed Multi-Level Road Network

This paper discusses the design of the optimal path Web services system in multi-level road network,the way of the data integration,the structure of the systems' server and client,and the expression of the workflow in system.A set of perfect design proposals is proposed.The application example is implemented to prove the rationality and efficiency of this Web services system,and it can practically solve the application question for the wide range road network analysis.