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Assessment of ITS architectures

Worldwide intelligent transportation systems (ITSs) are at the edge from research and development to deployment and commercial operation. Japan has already introduced ITS technology in the market and the USA and the European Union have elaborated planes for deployment. ITS in this context means communication and services based on communication technology between vehicles and other traffic participants on one hand and traffic and road infrastructure, vehicle manufacturer, and other mobility service provider on the other hand. For a successful introduction, a reliable and secure exchange of mobility-related information is a key factor. To provide such an exchange for an overall architecture for ITS and for all participants and users is necessary. With the introduction of the market, the assessment of an ITS architecture without an existing reference system arises. Since most assessment methods currently existing, measure how `good' an architecture is in comparison with another architecture. In this study, the authors describe ways and approaches how existing methods can be extended and combined to provide means for the assessment of ITS architectures in the pre-deployment phase. As a result, deploying parties should be enabled to assess an architecture before introducing it to the public.