Synthesis of fault-tolerant embedded systems

  • Authors:
  • Petru Eles;Viacheslav Izosimov;Paul Pop;Zebo Peng

  • Affiliations:
  • Linköping University, Linköping, Sweden;Linköping University, Linköping, Sweden;Technical University of Denmark, Kongens Lyngby, Denmark;Linköping University, Linköping, Sweden

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe
  • Year:
  • 2008

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Abstract

This work addresses the issue of design optimization for fault-tolerant hard real-time systems. In particular, our focus is on the handling of transient faults using both checkpointing with rollback recovery and active replication. Fault tolerant schedules are generated based on a conditional process graph representation. The formulated system synthesis approaches decide the assignment of fault-tolerance policies to processes, the optimal placement of checkpoints and the mapping of processes to processors, such that multiple transient faults are tolerated, transparency requirements are considered, and the timing constraints of the application are satisfied.