System non-functional requirements (NFR)

Table of Contents

Introduction non-functional requirements (NFR) #

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Level 3 – Performance NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – performance.

Level 3 – Scalability NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – scalability.

Level 3 – Security NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – security.

Level 3 – Reliability NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – reliability.

Level 3 – Usability NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – usability.

Level 3 – Compatibility NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – compatibility.

Level 3 – Accessibility NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – accessibility.

Level 3 – Interoperability NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – interoperability.

Level 3 – Maintainability NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – maintainability.

Level 3 – Regulatory NFR #

Ref ID.End-user functional requirements
(User Story )		Criticality
X.2.1High / Low
X.2.2High / Low
X.2.3High / Low
X.2.4High / Low
X.2.5High / Low
X.2.6High / Low
X.2.7High / Low
X.2.8High / Low
X.2.9High / Low
X.2.10High / Low
Level 3 – Non-functional system requirements – regulatory.

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