Dependability in an evolving world

  • Authors:
  • A. M. Tyrrell

  • Affiliations:
  • University of York, Heslington, York, UK

  • Venue:
  • Proceedings of the 3rd conference on Computing frontiers
  • Year:
  • 2006

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Abstract

Evolvable hardware offers much for the future of complex system design. Evolutionary techniques not only give the potential of larger solution space, but when implemented on hardware allow system designs to adapt to changes in the environment, including failures in system components.This paper reviews a number of techniques, all based in the bio-inspired camp, that provide varying degrees of dependability over and above standard designs. In particular, three different techniques are considered: using FPGAs and continuous evolution to circumvent faults as and when they occur, using FPGAs and ideas from developmental biology to create designs that possess emergent fault tolerant properties, and finally we consider a novel ASIC, designed and built with bio-inspired systems in-mind, and show how this too can cope with unexpected events during operation.