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High Integrity Software 2017 Conference — October 17 — Bristol, UK

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Keynote Address: Stronger than its weakest link

Prof. Ian Phillips. CEng, FIMA, FIET, SMIEEE

Principal Staff Engineer at ARM Ltd, UK

HIS'15 website tells us "Our lives increasingly depend on the correct functioning of software". But whilst true in itself, software is just one of the links in a system-chain; each needing to be as strong as the others for a satisfactory outcome. History may have branded software as the weakest link, but can that be said today? A system is an entity complete in its context; and judged subjectively by its black-box behaviour. And when faced with its failure it isn't acceptable to claim that "my bit worked"! All technologies we utilise are fallible, as are the processes we use to create them: Hardware, Software, Optics, Acoustics, RF, Mechanics, Test, Reproduction, Maintenance ... Perfection is still reserved for the gods. Technologies must work together in the system, and historic silos do nothing to encourage this. So how good do systems need to be; how close to achieving it are we; and does one size fit all? And perhaps most challengingly, can the disciplines complement one another so the whole is stronger than the weakest links?

About Prof. Ian Phillips. CEng, FIMA, FIET, SMIEEE

Ian is Principal Staff Engineer at ARM Ltd of Cambridge, where his role is to nurture strategic technology and opportunities until their business value can be quantified. A graduate of University of Wales, Swansea, he started working in electronic system design for Pye-TMC in 1974. Philips, Plessey, GEC and Mitel followed, and he joined ARM in 1998 in the early days of its growth. Today he is consulted by a wide range of European Universities, Institutions and Government Bodies; he is a strong believer in the role of academic research within a healthy business; a Visiting Professor at the Universities of Liverpool and Plymouth; and holder of the NMI Contribution to Industry award (2008).

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