Non-Functional Requirements (NFR) Specification

๐Ÿ“˜ Overview Purpose:Outline the key non-functional expectations of the system or product. These are qualities that affect how the system performs rather than what it does. Project / System Name [Insert name] Author [Insert name/team] Date [Insert date] Version [v1.0 / Draft / Final] โš™๏ธ Categories & Requirements ๐Ÿ” Notes & Clarifications [Add any team-specific constraints, dependencies, or clarifications here.] Optional categories to consider: Accessibility, Disaster Recovery, Backup/Restore, Compatibility. Table Category Requirement Description Priority Metric / Acceptance Criteria Performance The system must support 10,000 concurrent users with <1s response time. High Response time < 1s for 95% of requests Scalability Must handle 5x user growth without system redesign. Medium Autoscaling enabled, infra designed for 5x load Availability The service should maintain 99.9% uptime monthly. High Uptime logs from monitoring system Reliability System must gracefully handle partial failures without data loss. High Failover and retry mechanisms implemented Security All data in transit and at rest must be encrypted. High TLS 1.2+, AES-256 encryption verified Maintainability Code should be modular and covered with 80%+ unit test coverage. Medium Code quality metrics, test reports Usability Users should be able to complete core workflows in under 3 steps. Medium Usability test reports Portability The system should support deployment on AWS and GCP. Low Deployment documentation for both environments Compliance The system must be GDPR-compliant for EU users. High Legal/privacy review passed Localization UI must support English, Spanish, and Chinese. Medium Language toggle tested Auditability All critical actions should be logged and traceable. Medium Log format and storage reviewed
Preview of the Non-Functional Requirements (NFR) Specification template.

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