Real-time embedded systems used to be hand tailored to fit requirements and constraints of applications. But the increasing complexity of applications and the rapid evolution of hardware make these practices unbearable to face nowadays industrial reality with very fast evolution of requirements. The development process of real-time embedded applications must be supported by specific tools to facilitate their reuse, evolution and maintainability. Initiatives based on UML-RT provide such tools to model applications and automatically generate code. In this paper we present one such approach providing a simple domain model for the design of Fault-Tolerant Real-Time applications. A first implementation has been achieved with the OCERA-Fault-Tolerant framework developed within the OCERA IST project as target. This framework is a specialized framework based on RTLinux.

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