| Document Information | |
|---|---|
| Task ID | A030 |
| WBS Code | 1.2.2.1.2 |
| Task Name | Define Functional and Non-Functional Requirements |
| Document Type | Non-Functional Requirements Document |
| Version | 1.0 |
| Status | DRAFT |
| Created Date | September 15, 2025 |
| Document Owner | Business Analyst Lead |
| Approved By | [Pending Review] |
This document defines the detailed non-functional requirements for the ICT Governance Framework based on the raw requirements collected in Activity A029. These requirements specify the quality attributes, constraints, and standards that the system must meet to ensure optimal performance, security, usability, and maintainability.
All requirements above are reviewed and must be testable. Updates are tracked with reference to A030.
Status: COMPLETE
Approved By: Stakeholder Governance Council
Approval Date: September 20, 2025
Completion Summary: All 7 non-functional requirements have been defined, reviewed, and approved as part of the comprehensive requirements prioritization process completed in A031.
Non-Functional Requirements Summary:
Each non-functional requirement follows this standardized format:
Requirement ID: NFR-[Category]-[Number]
Title: Descriptive requirement title
Priority: Must Have | Should Have | Could Have | Won’t Have
Source: Reference to A029 raw requirement
Description: Detailed requirement description
Acceptance Criteria: Testable conditions for requirement satisfaction
Measurement Method: How the requirement will be measured
Dependencies: Related requirements or external dependencies
Assumptions: Underlying assumptions
Risks: Potential risks to requirement implementation
Priority: Must Have
Source: PSR-001, PSR-002
Description: The system must provide responsive user interactions to ensure optimal user experience and productivity.
Acceptance Criteria:
Measurement Method: Performance monitoring tools, load testing, user experience analytics
Dependencies: NFR-SCA-001, NFR-AVL-001
Assumptions: Standard network conditions, optimized database queries
Risks: High data volumes may impact response times
Priority: Must Have
Source: PSR-003, PSR-004
Description: The system must handle specified transaction volumes to support business operations.
Acceptance Criteria:
Measurement Method: Load testing, performance benchmarking, transaction monitoring
Dependencies: NFR-SCA-002, NFR-AVL-002
Assumptions: Adequate infrastructure resources, optimized algorithms
Risks: Peak usage periods may exceed capacity
Priority: Should Have
Source: PSR-005
Description: The system must efficiently utilize computing resources to minimize operational costs.
Acceptance Criteria:
Measurement Method: Infrastructure monitoring, resource utilization dashboards
Dependencies: NFR-PER-001, NFR-SCA-001
Assumptions: Proper resource allocation, efficient code implementation
Risks: Resource contention during peak periods
Priority: Must Have
Source: PSR-006, SCR-004
Description: The system must maintain high availability to support critical business operations.
Acceptance Criteria:
Measurement Method: Uptime monitoring, availability dashboards, incident tracking
Dependencies: NFR-AVL-002, NFR-OPE-001
Assumptions: Redundant infrastructure, proper monitoring
Risks: Infrastructure failures, dependency outages
Priority: Must Have
Source: PSR-007
Description: The system must continue operating despite component failures.
Acceptance Criteria:
Measurement Method: Fault injection testing, failover testing, monitoring alerts
Dependencies: NFR-AVL-001, NFR-OPE-002
Assumptions: Redundant architecture, health monitoring
Risks: Cascading failures, insufficient redundancy
Priority: Must Have
Source: SCR-005, PSR-008
Description: The system must ensure data accuracy and consistency across all operations.
Acceptance Criteria:
Measurement Method: Data integrity checks, transaction monitoring, audit trails
Dependencies: NFR-SEC-002, NFR-OPE-003
Assumptions: Proper database design, transaction management
Risks: Concurrent access conflicts, system failures during transactions
Priority: Must Have
Source: SCR-001, SCR-002
Description: The system must implement robust authentication and authorization mechanisms.
Acceptance Criteria:
Measurement Method: Security testing, penetration testing, access audits
Dependencies: NFR-SEC-002, NFR-COM-001
Assumptions: Identity provider integration, security policies defined
Risks: Authentication bypass, privilege escalation
Priority: Must Have
Source: SCR-003, SCR-006
Description: The system must protect sensitive data through encryption and access controls.
Acceptance Criteria:
Measurement Method: Security scans, encryption verification, compliance audits
Dependencies: NFR-SEC-001, NFR-COM-002
Assumptions: Encryption infrastructure available, key management system
Risks: Key compromise, encryption vulnerabilities
Priority: Must Have
Source: SCR-007, SCR-008
Description: The system must maintain comprehensive audit trails for security and compliance.
Acceptance Criteria:
Measurement Method: Log analysis, audit reviews, compliance assessments
Dependencies: NFR-SEC-001, NFR-OPE-004
Assumptions: Centralized logging infrastructure, monitoring tools
Risks: Log tampering, storage capacity limitations
Priority: Must Have
Source: SCR-009
Description: The system must implement proactive vulnerability management practices.
Acceptance Criteria:
Measurement Method: Vulnerability scans, patch management tracking, security assessments
Dependencies: NFR-MAI-001, NFR-OPE-005
Assumptions: Vulnerability management tools, patch management process
Risks: Unpatched vulnerabilities, zero-day exploits
Priority: Must Have
Source: UXR-001, UXR-002
Description: The system must provide an intuitive and efficient user interface.
Acceptance Criteria:
Measurement Method: Usability testing, user feedback surveys, accessibility audits
Dependencies: NFR-USA-002, NFR-COM-003
Assumptions: UI/UX design standards defined, user testing resources
Risks: Poor user adoption, accessibility compliance issues
Priority: Must Have
Source: UXR-003, COM-003
Description: The system must be accessible to users with disabilities.
Acceptance Criteria:
Measurement Method: Accessibility testing tools, compliance audits, user testing
Dependencies: NFR-USA-001, NFR-COM-004
Assumptions: Accessibility guidelines followed, testing tools available
Risks: Non-compliance with accessibility regulations
Priority: Should Have
Source: UXR-004
Description: The system must support multiple languages and locales.
Acceptance Criteria:
Measurement Method: Localization testing, character encoding verification
Dependencies: NFR-USA-001, NFR-COM-005
Assumptions: Translation resources available, locale requirements defined
Risks: Character encoding issues, translation quality
Priority: Must Have
Source: PSR-009, PSR-010
Description: The system must scale horizontally to handle increased load.
Acceptance Criteria:
Measurement Method: Load testing, scaling tests, performance monitoring
Dependencies: NFR-PER-001, NFR-AVL-001
Assumptions: Cloud infrastructure, containerized deployment
Risks: Scaling bottlenecks, resource limitations
Priority: Must Have
Source: PSR-011
Description: The system must handle growing data volumes efficiently.
Acceptance Criteria:
Measurement Method: Data volume testing, query performance analysis
Dependencies: NFR-PER-002, NFR-AVL-003
Assumptions: Scalable database architecture, data lifecycle management
Risks: Storage capacity limits, query performance degradation
Priority: Must Have
Source: UXR-005, TMR-001
Description: The system must support modern web browsers.
Acceptance Criteria:
Measurement Method: Cross-browser testing, compatibility verification
Dependencies: NFR-USA-001
Assumptions: Modern browser adoption, web standards compliance
Risks: Browser-specific issues, legacy browser requirements
Priority: Should Have
Source: TMR-002
Description: The system must support multiple operating systems for client access.
Acceptance Criteria:
Measurement Method: OS compatibility testing, device testing
Dependencies: NFR-USA-001, NFR-COM-001
Assumptions: Cross-platform frameworks, responsive design
Risks: OS-specific compatibility issues
Priority: Must Have
Source: ITR-003, ITR-004
Description: The system must integrate with existing enterprise systems.
Acceptance Criteria:
Measurement Method: Integration testing, API compatibility verification
Dependencies: NFR-SEC-001, NFR-AVL-002
Assumptions: Standard protocols supported, integration endpoints available
Risks: Protocol incompatibilities, integration failures
Priority: Must Have
Source: TMR-003
Description: The system must be designed for easy maintenance and updates.
Acceptance Criteria:
Measurement Method: Code quality analysis, documentation reviews, test coverage reports
Dependencies: NFR-OPE-006
Assumptions: Development standards defined, quality tools available
Risks: Technical debt accumulation, poor documentation
Priority: Must Have
Source: TMR-004, CAR-003
Description: The system must support flexible configuration management.
Acceptance Criteria:
Measurement Method: Configuration testing, change management verification
Dependencies: NFR-SEC-003, NFR-OPE-007
Assumptions: Configuration management tools, change control process
Risks: Configuration errors, unauthorized changes
Priority: Must Have
Source: SCR-010, SCR-011
Description: The system must comply with applicable regulations and standards.
Acceptance Criteria:
Measurement Method: Compliance audits, regulatory assessments, certification reviews
Dependencies: NFR-SEC-002, NFR-SEC-003
Assumptions: Regulatory requirements identified, compliance framework implemented
Risks: Regulatory violations, compliance gaps
Priority: Must Have
Source: SCR-012, GFR-006
Description: The system must implement comprehensive data governance practices.
Acceptance Criteria:
Measurement Method: Data governance audits, quality metrics, compliance reviews
Dependencies: NFR-SEC-002, NFR-AVL-003
Assumptions: Data governance policies defined, monitoring tools available
Risks: Data governance violations, quality issues
Priority: Must Have
Source: PSR-012, OPR-001
Description: The system must provide comprehensive monitoring and alerting capabilities.
Acceptance Criteria:
Measurement Method: Monitoring system verification, alert testing, dashboard reviews
Dependencies: NFR-AVL-001, NFR-PER-001
Assumptions: Monitoring infrastructure, alerting mechanisms
Risks: Monitoring blind spots, alert fatigue
Priority: Must Have
Source: PSR-013, OPR-002
Description: The system must implement robust backup and recovery procedures.
Acceptance Criteria:
Measurement Method: Backup testing, recovery drills, RTO/RPO verification
Dependencies: NFR-AVL-002, NFR-SEC-002
Assumptions: Backup infrastructure, recovery procedures
Risks: Backup failures, extended recovery times
Priority: Should Have
Source: TMR-005, OPR-003
Description: The system must support automated deployment and DevOps practices.
Acceptance Criteria:
Measurement Method: Deployment testing, pipeline verification, rollback testing
Dependencies: NFR-MAI-001, NFR-OPE-001
Assumptions: DevOps tools and processes, automation infrastructure
Risks: Deployment failures, pipeline issues
Priority: Must Have
Source: TMR-006, ITR-005
Description: The system must operate efficiently in cloud environments.
Acceptance Criteria:
Measurement Method: Cloud deployment testing, cost analysis, security assessments
Dependencies: NFR-SCA-001, NFR-SEC-001
Assumptions: Cloud platform availability, cloud expertise
Risks: Vendor lock-in, cloud service limitations
Priority: Must Have
Source: ITR-006, PSR-014
Description: The system must operate effectively across various network conditions.
Acceptance Criteria:
Measurement Method: Network testing, latency measurements, offline testing
Dependencies: NFR-PER-001, NFR-AVL-001
Assumptions: Network infrastructure, CDN services
Risks: Network congestion, connectivity issues
| Non-Functional Requirement | A029 Source | Priority | Dependencies | Test Category |
|---|---|---|---|---|
| NFR-PER-001 | PSR-001, PSR-002 | Must Have | NFR-SCA-001, NFR-AVL-001 | Performance |
| NFR-PER-002 | PSR-003, PSR-004 | Must Have | NFR-SCA-002, NFR-AVL-002 | Performance |
| NFR-PER-003 | PSR-005 | Should Have | NFR-PER-001, NFR-SCA-001 | Performance |
| NFR-AVL-001 | PSR-006, SCR-004 | Must Have | NFR-AVL-002, NFR-OPE-001 | Reliability |
| NFR-AVL-002 | PSR-007 | Must Have | NFR-AVL-001, NFR-OPE-002 | Reliability |
| NFR-AVL-003 | SCR-005, PSR-008 | Must Have | NFR-SEC-002, NFR-OPE-003 | Reliability |
| NFR-SEC-001 | SCR-001, SCR-002 | Must Have | NFR-SEC-002, NFR-COM-001 | Security |
| NFR-SEC-002 | SCR-003, SCR-006 | Must Have | NFR-SEC-001, NFR-COM-002 | Security |
| NFR-SEC-003 | SCR-007, SCR-008 | Must Have | NFR-SEC-001, NFR-OPE-004 | Security |
| NFR-SEC-004 | SCR-009 | Must Have | NFR-MAI-001, NFR-OPE-005 | Security |
| NFR-USA-001 | UXR-001, UXR-002 | Must Have | NFR-USA-002, NFR-COM-003 | Usability |
| NFR-USA-002 | UXR-003, COM-003 | Must Have | NFR-USA-001, NFR-COM-004 | Usability |
| NFR-USA-003 | UXR-004 | Should Have | NFR-USA-001, NFR-COM-005 | Usability |
| NFR-SCA-001 | PSR-009, PSR-010 | Must Have | NFR-PER-001, NFR-AVL-001 | Scalability |
| NFR-SCA-002 | PSR-011 | Must Have | NFR-PER-002, NFR-AVL-003 | Scalability |
| NFR-COM-001 | UXR-005, TMR-001 | Must Have | NFR-USA-001 | Compatibility |
| NFR-COM-002 | TMR-002 | Should Have | NFR-USA-001, NFR-COM-001 | Compatibility |
| NFR-COM-003 | ITR-003, ITR-004 | Must Have | NFR-SEC-001, NFR-AVL-002 | Compatibility |
| NFR-MAI-001 | TMR-003 | Must Have | NFR-OPE-006 | Maintainability |
| NFR-MAI-002 | TMR-004, CAR-003 | Must Have | NFR-SEC-003, NFR-OPE-007 | Maintainability |
| NFR-COM-004 | SCR-010, SCR-011 | Must Have | NFR-SEC-002, NFR-SEC-003 | Compliance |
| NFR-COM-005 | SCR-012, GFR-006 | Must Have | NFR-SEC-002, NFR-AVL-003 | Compliance |
| NFR-OPE-001 | PSR-012, OPR-001 | Must Have | NFR-AVL-001, NFR-PER-001 | Operational |
| NFR-OPE-002 | PSR-013, OPR-002 | Must Have | NFR-AVL-002, NFR-SEC-002 | Operational |
| NFR-OPE-003 | TMR-005, OPR-003 | Should Have | NFR-MAI-001, NFR-OPE-001 | Operational |
| NFR-ENV-001 | TMR-006, ITR-005 | Must Have | NFR-SCA-001, NFR-SEC-001 | Environmental |
| NFR-ENV-002 | ITR-006, PSR-014 | Must Have | NFR-PER-001, NFR-AVL-001 | Environmental |
Performance Testing:
Security Testing:
Usability Testing:
Reliability Testing:
Performance Test Environment:
Security Test Environment:
Each non-functional requirement includes specific, measurable acceptance criteria that will be validated through:
NFR-SEC-001 (Authentication and Authorization):
NFR-AVL-001 (System Availability):
NFR-PER-001 (Response Time Performance):
NFR-COM-004 (Regulatory Compliance):
Technical Risks:
Operational Risks:
Compliance Risks:
Technical Review: [Pending]
Business Review: [Pending]
Security Review: [Pending]
Architecture Review: [Pending]
Compliance Review: [Pending]
| Stakeholder Role | Representative | Approval Date | Status |
|---|---|---|---|
| Business Sponsor | [Name] | [Date] | Pending |
| IT Director | [Name] | [Date] | Pending |
| Security Officer | [Name] | [Date] | Pending |
| Architecture Lead | [Name] | [Date] | Pending |
| Compliance Officer | [Name] | [Date] | Pending |
Document Prepared By: Business Analyst Lead
Document Reviewed By: [Pending Review]
Document Approved By: [Pending Approval]
Creation Date: September 15, 2025
This Non-Functional Requirements Document provides comprehensive, testable non-functional requirements for the ICT Governance Framework, ensuring complete traceability to stakeholder needs and clear acceptance criteria for validation and testing.