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The use of models is becoming increasingly prominent in the development processes for safety and time critical systems (e.g. in automotive or aerospace). However, oftentimes the models of a component, its implementation properties and execution parameters are only loosely coupled. This missing association complicates system maintainability and becomes an issue with increasing system flexibility. This paper presents a runtime environment closely coupling design-time component models with the execution parameters of the specific component also enabling runtime monitoring of implementation properties. Together with a previously published admission control scheme, this enables tight coupling of component-wise design-time modelling, system analysis and runtime configuration, enabling software flexibility also in mixed-criticality systems.