Lo so... lo so cosa pensate... impara da lui... 
Comunque in questo post c'è un'interessantissima
discussione sui QoS Requirements, previsti da
MSF for Agile Software Development... ecco le conclusioni:
Quality of service requirements have the greatest
impact on the architecture. A good architecture will facilitate easier
delivery of quality of service requirements. But then a good architecture is
important for so many reasons.