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A Calculus for Quality

30 Aprile 2014
San Francesco - Via della Quarquonia 1 (Classroom 2 )
A main challenge of programming component-based software is to ensure that the components continue to behave in a reasonable manner even when communication becomes unreliable. We propose a process calculus, the Quality Calculus, for programming software components where it becomes natural to plan for default behaviour in case the ideal behaviour fails due to unreliable communication and thereby to increase the quality of service offered by the systems. The development is facilitated by a SAT-based robustness analysis to determine whether or not the code is vulnerable to unreliable communication. The talk shall cover the basic calculus and briefly review some more recent extensions.
Vigo, Roberto