This paper takes care of an evolution of web architecture for Telematics services on ubiquitous environments. Telematics has become one of upcoming convergence fields where many kinds of services are now be operated or planned to be launched. However, most of Telematics services are currently operated in a closed architecture: they require hardware and software configurations exclusively. In order to achieve ubiquitous capabilities in Telematics model, this paper proposes a web service platform for Telematics based on web service architecture. With the proposed Telematics service broker, service providers can register their services, and service consumers can find what services are available and how to use them. Adopting open architecture, the platform will contribute to efficient provision of Telematics services in upcoming ubiquitous environments.
