Research on Traffic Information Service Grid Based on GT4

With the rapid prevalence of grid technologies, more attentions have to be focused on grid applications. The paper presents a framework for traffic information service grid (TISG) in order to eliminate information islands and to implement resource sharing and collaboration in the intelligent transportation systems (ITS). Based on Red Had Linux, Globus Toolkit 4.0 (GT4), and other related tools, the paper proposes the implementation model of TISG and investigates the key techniques to build TISG. Therefore, an application platform of traffic grid is built, which conforms to the standard of OGSA in the aspects of common use, convenience, efficiency, and security. The research on traffic laws is conducted in TISG. Applying grid to ITS will promote the development and popularization of grid applications.