Non-functional requirements are characteristics of a system or solution which describe non-behavioral characteristics or qualities of a system. Non Functional Requirements have also been called the 'ilities': usability, reliability, interoperability, scalability, extensibility, etc. Non-functional requirements are also commonly referred to as quality of service (QoS) requirements or service-level requirements. More info on non-functional requirements.
Non-functional requirements are characteristics of a system or solution which describe non-behavioral characteristics or qualities of a system. Non Functional Requirements have also been called the 'ilities': usability, reliability, interoperability, scalability, extensibility, etc. Non-functional requirements are also commonly referred to as quality of service (QoS) requirements or service-level requirements. More info on non-functional requirements.
BPMN