Non-functional requirement
Non-functional requirement
Technical requirement that defines attributes serving as constraints or restrictions and ensuring the usability and effectiveness but not affecting the functionality of products and services
Note 1 to entry: As shown in Annex B, non-functional requirements include:
— performance requirements (3.1.3.8);
— integration requirements (3.1.3.3);
— other non-functional requirements.
Note 2 to entry: Some examples of other non-functional requirements are:
— colour;
— corrosion control;
— electro-magnetic interference/electro-magnetic compatibility (EMI/EMC);
— noise;
— reliability, availability, maintainability, safety (RAMS);
— aluminium car body;
— labels;
— obsolescence;
— usability.