How a system operates, how it performs, what it’s appearance should be, is often described in non-functional requirements. Within this group we find coverage types like operational and load profiles, and presentation.
Coverage types in this group are:
- Information security-based
- Authorisation
- Authentication
- Communication security
- Data confidentiality
- Data integrity
- Non-repudiation
- Privacy
- Performance-based
- Presentation
- Usability-based