Decentralised Evaluation of Temporal Patterns over Component-based Systems at Runtime?

Abstract. Self-adaptation allows systems to modify their structure and/or their behaviour depending on the environment and the system itself. Since reconfigurations must not happen at any but in suitable cir-cumstances, guiding and controlling dynamic reconfigurations at runtime is an important issue. This paper contributes to two essential topics of the self-adaptation—a runtime temporal properties evaluation, and a decentralization of control loops. It extends the work on the adaptation of component-based systems at runtime via policies with temporal patterns by providing a) a specific progressive semantics of temporal patterns and b) a decentralised method which is suitable to deal with temporal patterns of component-based systems at runtime. The implementation with the GROOVE tool constitutes a practical contribution.