Value-based Software Engineering Using the Adapted Twin-Peaks Model

We present our extension of the Twin Peaks Model that is suited as model for a slim, efficient management informa-tion tool for interactive-incremental ("agile") software pro-jects. Our Adapted Twin Peaks Model allows the depiction of product progress in relation to requirement changes, thus giving the project manager a quick inspection tool for analyzing project progress, focusing on the increase of customer value during the software engineering process ("value-based software engineering"). We give details on defining a suitable metrics for rep-resenting customer (i.e. business) value in relation to de-velopment effort and give examples, how the Adapted Twin Peaks Model can be used for determining project characteristics measures for validation & verification, eco-nomic feasibility, and customer satisfaction, among others. This is an ongoing project. Therefore, we give an out-look onto next investigations and features to be realized based upon the model.