Samenvatting
Europe has taken an early lead in the development and deployment of ATT applications through the adoption of relatively narrow, ad-hoc architectures. These tend to be application-specific and the approach has facilitated rapid development. Meanwhile the us is developing a single national IVHS architecture funded and directed at national level by usdot. This paper provides a brief description of both European and us system architecture development approaches and makes some preliminary comparisons and observations. (a)