During a recent solution strategy session for a very large enterprise, a need developed for creating visual prototypes and simulations illustrating the end-state of the enterprise system to be built. The system, or really "solution" (since the ROI would be derived not only from IT, but also from organization change, process re-engineering, physical and digital asset value realization) included many audiences and stakeholder roles plus many distinct (though integrated) business services. "Services" is the key term here, i.e. not "applications" or "websites" – customers would find and use these business services offered by the company, governed with managed agreements and supported by information technology. The best practice SOA methodologies separate business concerns from underlying fulfillment concerns, in a manner that enables reuse and evolution of each – maximizing ROI (hopefully). Business service architecture strategies begin frequently wi...