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The event-based communication paradigm is becoming increasingly ubiquitous as an enabling technology for building loosely-coupled distributed systems. However, the loose coupling of components in such systems makes it hard for developers to predict their performance under load. Most general purpose performance meta-models for component-based systems provide limited support for modelling event-based communication and neglect middleware-specific influence factors. In this paper, the authors present an extension of their approach to modelling event-based communication in the context of the Palladio Component Model (PCM), allowing to take into account middleware-specific influence factors.
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