Types of Quality of Service Contracts for Component-based Systems

S. Zschaler and S. Röttger (Germany)


Software Engineering, Quality of Service, ComponentBased Software, Design by Contract


In this paper, we identify the different roles and contract types which are important in providing Quality of Service (QoS) properties of component-based systems. A surpris ing result of our work is that direct contracts between com ponents are not necessary and even insufficient to handle non-functional properties of component-based systems.

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