Towards a reliability analysis of the design space for the communication subsystem of FT4FTT

Authors David Gessner | Paulo Portugal | Julián Proenza Arenas | Manuel Alejandro Barranco González
In Proceedings of the 19th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2014), 2014.


Fault Tolerance for Flexible Time-Triggered Ethernet-based systems (FT4FTT) is a project to devise an architecture for distributed embedded systems that provides both flexibility to changing real-time requirements and high reliability through fault tolerance. One of the key parts of such an architecture is the communication subsystem. When designing such a subsystem many decisions have to be made. To understand how such decisions impact the reliability of the final design, in this paper we present a framework to evaluate the reliability of a large number of potential designs. The approach is based on storing a finite subset of the design space for the communication subsystem of FT4FTT in an undirected graph and then generating a continuous-time Markov chain from the graph to evaluate the reliability of each design belonging to the subset.

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