Is your architectural approach reliable?

A reliable system is a system that functions as expected in certain conditions, for a certain period, and in predefined environments. Although it is a characteristic challenged by customer context, reliability does not depend on design or flows but on how often and in what ways does the system fail continuously. As discussed in the previous chapters, predicting change and product evolution is crucial. In addition, the idea of measuring reliability can take quality to the next level.

If you think stakeholders might change their perspectives dramatically, there is still room for discussion, and you need more answers about what they need, not just what they want. Or if you fear that trends might push you to change the technology you use, maybe you are not that sure about your choice, and you need to research more on this and look for a more suitable technology. The technologies you use are some of the most complex decisions to change later...