Goal-Driven Alignment of Services and Business Requirements

The independence of services in service oriented architectures allows different providers to provide different business functionalities. As services can be used independently from each other the requirements engineer is able to quickly align the requirements closely to the current service provision. The organisation, which achieves this close alignment benefits optimally from the current service provision. In this paper we propose a requirements engineering approach based on goal model comparison, which allows finding services for given requirements and which facilitates the adjustment of requirements to current service provision. The approach rests on the idea of describing requirements and services with Tropos goal models and to use model comparison techniques to find services and to adjust the requirements to fit these services.