Abstract
On the threshold of a new millennium, transport and traffic telematics face new challenges as well as new opportunities. New data detection and communication technologies generate an increasing amount of online real-time traffic data. New, innovative services emerge, based on this data. A mandatory requirement for the success of these services is the free flow of online traffic and travel information across all types of system boundaries. Many national and international ITS (Intelligent Transport Systems) architecture programmes reflect the growing understanding that this information flow is the backbone of future ITS systems and services. This paper focuses on the technological basis of the required interoperability interfaces between ITS systems to exchange data. In the second part, it gives an outlook and some comparisons with recent developments based new technologies like CORBA (Common Object Request Broker Architecture).
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