Tip: Keep life-cycles separate
Exercise: Lifecycle of needs in a store-visit-dashboard
Use a story or a context
| Requirement | Context | Specification |
|---|---|---|
| No memory leaks | Mobile Ultrasound, continuous operation for 2 days max | X no. of cycles without deterioration of performance, stable working-set and commit-charge not exceeding 3.5 GB |
| No training required | ATM front-end | Start-screen same as previous version |
| X-ray latency <1 second | Used during surgery | One in 20 measurements can go above 1 second, with max not exceeding 2.5 seconds |
How about regulatory requirements?
| Regulation | Context | Specification |
|---|---|---|
| Data Privacy in car entertainment systems | ? | ? |
| Display of Medical images during treatment | ? | ? |
| Salary data in HR workplace | ? | ? |
| Face-recognition to count visits | ? | ? |
Any Product Quality will be influenced by the environment.
Watch the system-boundary.

