[Context and motivation] Large-scale software-intensive systems are often considered as systems of systems comprising several interrelated product lines from which system variants are derived to meet the overall requirements. [Question/problem] If multiple teams and experts configure these individual systems, their individual configuration choices might conflict with the system-of-systems requirements. [Principal ideas/results] This research preview paper presents our ongoing work on a tool-supported approach for monitoring system-of-systems requirements formalized as constraints during distributed product derivation in multi product lines. [Contribution] The approach allows detecting violations of multi system requirements during the configuration of individual systems and provides immediate feedback to the involved configurers. Our approach is integrated in the product configuration tool DOPLER developed in cooperation with an industrial partner.
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