Abstract: This deliverable, that has been performed within the MUSE Work Package A.1 related to the business models, did mainly focus on the further development of the business role definition of the DSL Forum TR058, the definition of the related sound business models and the determination of the total potential market of the new services/ reference applications. Furthermore, based on the former IST TONIC work, it gives some guidance in order to apply the sound business models to the various MUSE techno-economic case studies within the WP A.3.