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Correspondence: Criticality and utility in the next generation

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Conclusion

One of the issues raised by the editorial of Stankovic and Ramamritham is that of using unbounded software components within the context of real-time systems. We have attempted to give a different perspective to this issue; specifically how can we increase at run-time, the utility of 100% guaranteed tasks. We believe that many future systems will contain predominantly crucial computations. The need to have full predictability remains. Indeed, there is a need to develop platforms that have realistic worst case performance to probability levels compatible with the overall failure hypothesis.

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References

  • Dix, A., Stone, R.F. and Zedan, H. (1990). “Design Issues for Reliability Time-Critical Systems. in Zedan, H. (ed.). Proc. 1989 Real-Time Systems Symposium: Theory and Applications. North Holland, pp. 305–322.

  • Shih, W.K., Liu, J.W.S. and Chung, J.Y. (1989). Algorithms for Scheduling Imprecise Computations with Timing Constraints. Proceedings 10th IEEE Real-Time Systems Symposium.

  • Stankovic, J.A. (1988). Misconceptions About Real-Time Computing. IEEE Computer 21.

  • Stankovic, J.A. and Ramamritham, K. (1990). What is Predictability for Real-Time Systems. Ral-Time Systems 2,4:247–254.

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Authors and Affiliations

  1. Real-Time Systems Research Group, Department of Computer Science, University of York, Heslington, YoI 5DD, York, UK

    A. Burns & A. J. Wellings

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  1. A. Burns
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  2. A. J. Wellings
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Burns, A., Wellings, A.J. Correspondence: Criticality and utility in the next generation. The Journal of Real-Time Systems 3, 351–354 (1991). https://doi.org/10.1007/BF00365997

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  • DOI: https://doi.org/10.1007/BF00365997

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