<Discuss your team's evaluation of issues such as reusability, maintainability, testability, performance, portability, reuse, safety, ... Which issues are relevant to your project? What prototypes (if any) will you need to do to evaluate alternate design strategies? What technical difficulties do you expect encounter? How will you solve them? What design trade-offs did you make in your selection of the architecture? What was your rationale for selecting this architecture? What technical risks are involved in this solution?>