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Modular formal analysis of the central guardian in the Time-Triggered Architecture

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  • Pfeifer, Holger
  • von Henke, Friedrich W.

Abstract

The Time-Triggered Protocol TTP/C constitutes the core of the communication level of the Time-Triggered Architecture for dependable real-time systems. TTP/C ensures consistent data distribution, even in the presence of faults occurring to nodes or the communication channel. However, the protocol mechanisms of TTP/C rely on a rather optimistic fault hypothesis. Therefore, an independent component, the central guardian, employs static knowledge about the system to transform arbitrary node failures into failure modes that are covered by the fault hypothesis.

Suggested Citation

  • Pfeifer, Holger & von Henke, Friedrich W., 2007. "Modular formal analysis of the central guardian in the Time-Triggered Architecture," Reliability Engineering and System Safety, Elsevier, vol. 92(11), pages 1538-1550.
    • Handle: RePEc:eee:reensy:v:92:y:2007:i:11:p:1538-1550
    DOI: 10.1016/j.ress.2006.10.006
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