Mandated Requirements for Hardware/Software Combination in Safety-Critical Systems

Hilton, Adrian and Hall, Jon G. (2003). Mandated Requirements for Hardware/Software Combination in Safety-Critical Systems. Technical Report 2003/02; Department of Computing, The Open University.

DOI: https://doi.org/10.21954/ou.ro.0001600f

Abstract

Safety-critical systems are an important subset of high-assurance systems. Higher performance requirements have led to the increased use of combined hard-ware/software systems therein, with hardware devices taking processing load off software. As might be expected, safety-critical systems have many requirements made of them by established standards. By implication, and now by emerging safety standards , such requirements must be discharged over hard-ware/software combinations, with important ramifications for best practice. In this paper we discuss the impact that such requirements have on the co-development of hardware/software combinations, and suggest adaptations of existing best practice that could discharge them.

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