Companion of the 30th international conference on Software engineering
Software Engineering for Self-Adaptive Systems
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This paper describes a modeling approach to software design and adaptation, in particular the design of evolutionary and dynamically reconfigurable software architectures. The different versions of an evolutionary system are considered a software product line, with each version of the system a product line member. After implementation, the model co-exists with the system and evolves with it. The software architecture is built out of architectural patterns. For each software architectural pattern, there is a corresponding software reconfiguration pattern, which describes how the software architecture can be dynamically adapted.