Applying and optimizing Trajectory approach for performance evaluation of AFDX avionics network

  • Authors:
  • Henri Bauer;Jean-Luc Scharbarg;Christian Fraboul

  • Affiliations:
  • Airbus France, Toulouse, France and Université de Toulouse, IRIT/ENSEEIHT/INPT, Toulouse, France;Université de Toulouse, IRIT/ENSEEIHT/INPT, Toulouse, France;Université de Toulouse, IRIT/ENSEEIHT/INPT, Toulouse, France

  • Venue:
  • ETFA'09 Proceedings of the 14th IEEE international conference on Emerging technologies & factory automation
  • Year:
  • 2009

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Abstract

AFDX (Avionics Full Duplex Switched Ethernet) standardized as ARINC 664 is a major upgrade for avionics systems. But network delay analysis is required to evaluate end-to-end delay's upper bounds. The Network Calculus approach, that has been used to evaluate such end-to-end delay upper bounds for certification purposes, is shortly described. In this paper we present how the Trajectory approach can be applied to an AFDX avionics network. Moreover we explain how this approach can be optimized in this context. We show that, on an industrial configuration, it outperforms existing end-to-end delays upper bounds.