Non Functional requirements

1. Performance requirements
(i) Efficiency:-
(ii) Effectiveness:-
(iii) Scalability:-
(iv) Response time:-
(v) Stability:-

2. Operating constraints
Run-Time constraints:-

3. Platform constraints

4. Accuracy and Precision

5. Modifiability

6. Portability

7. Reliability

8. Security

9. Usability

10. Fault tolerance

11. Interoperability

12. Maintainability

13. Extensibility

14. Supportability

15. Legal rights