DREAMS: Cross-Domain Mixed-Criticality Patterns

Abstract

International audienceThe transition from conventional federated architectures to integrated architectures enables the integration of functionalities with different criticality (such as safety, security and real-time) on a single embedded computing platform. Many embedded mixed-criticality systems require distributed subsystems with networks to satisfy computational resource demands and installation requirements and ensure fault-tolerance. The broad trend of the integration of functionalities with different criticality on a multi-core embedded computing platform increases the complexity and challenges to certification, which is supported by the fact that today's safety-related standards on single computer systems where a resource is not shared between more than one component at the same time. This paper analyses remarkable occurring problems in today's mixed-criticality systems and presents reusable generic solutions to tackle them, including solutions for hypervisors, commercial-off-the-self multi-core devices and mixed-criticality networks