COMBEST provides a formal framework for component based design of complex embedded systems. This framework :

• Enables formal integration of heterogeneous components, such as with different models of communication or execution;
• Provides complete encapsulation of components both for functional and extrafunctional properties and develop foundations and methods ensuring composability of components;
• Enables prediction of emergent key system characteristics such as performance and robustness (timing, safety) from such characterizations of its subcomponents;

To achieve these objectives, COMBEST has:

• Developed a design theory for complex embedded systems, fully covering heterogeneity, interface specifications, composability, compositionality, and refinement for functional and extra-functional properties
• Built on substantial highly recognized background results of the academic partners, partly carried out within the integrated project SPEEDS;
• Extended results of the Integrated Project SPEEDS, both regarding heterogeneous rich components and compositional analysis methods.