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Exploring Non-functional Coupling in Systems of Systems | IEEE Conference Publication | IEEE Xplore

Exploring Non-functional Coupling in Systems of Systems


Abstract:

Many software systems, and especially systems of systems (SoS), depend on other systems to function correctly or are themselves composed of interdependent systems. In tha...Show More

Abstract:

Many software systems, and especially systems of systems (SoS), depend on other systems to function correctly or are themselves composed of interdependent systems. In that context, behavioral changes in a dependency may have consequences for a dependent system. This includes changes to non-functional properties such as latency or availability. In this paper we use the term nonfunctional coupling to mean the extent to which a system is affected by changes to non-functional properties in other systems. We argue that non-functional coupling has implications for the reliability and performance of an overall system, as (for example) degradations in non-functional properties of one system may cascade to other systems if coupling is high. In this paper we propose a process for systematically analyzing the coupling in a model of an SoS and illustrate that process with a simple case study showing how it can provide insights into system behavior, and how those insights can help with design decisions.
Date of Conference: 16-16 May 2022
Date Added to IEEE Xplore: 30 June 2022
ISBN Information:
Conference Location: Pittsburgh, PA, USA

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