Overview
IEC SRD 62559-4:2020 - Use case methodology (Part 4) provides best practices for developing and managing use cases within IEC standardization processes and for applying those practices in enterprise projects outside standardization. As a Systems Reference Deliverable (SRD), it complements IEC TR 62559‑1 and IEC 62559‑2/‑3 by focusing on practical guidance for the use case drafting process, team skill-set definition, repository management, and reuse of use cases across IEC and enterprise projects.
Keywords: IEC SRD 62559-4, use case methodology, use case development, IEC standardization, systems engineering.
Key topics and technical content
- Phased systems-engineering approach for use case development - guidance for executive, modelling and project-engineering phases.
- Use case drafting best practices - templates and quality considerations for clear, consistent user requirements.
- Skill-set definition - recommendations on roles and competencies needed to run effective use case workshops and redaction processes.
- Use case repository management - versioning, lifecycle management, actor hierarchies, and collaborative workflows for reuse and traceability.
- Modelling notations and diagrams - practical advice on leveraging UML artifacts such as use case diagrams, activity diagrams, sequence diagrams and data/class diagrams to capture scenarios and exchanges without excessive technical detail.
- Requirements extraction and gap analysis - methods to derive user requirements from scenarios and to identify standardization work items or component reuse opportunities.
- Cross-domain coordination - techniques for mapping business use cases to multiple system use cases, components and reference architectures to support multi-stakeholder, multi-standard projects.
Keywords: UML, use case template, versioning, actor hierarchy, requirements extraction, gap analysis.
Practical applications
- Preparing clear, testable user requirements for product or system development.
- Running use case workshops to align business stakeholders, engineers and standards experts.
- Managing a use case repository for reuse across projects, technical committees or enterprise domains.
- Performing gap analyses to identify missing standards or interoperability needs.
- Mapping use cases to reference architectures and components for system integration and standardization planning.
Keywords: use case repository management, use case workshop, systems engineering methodology.
Who should use this standard
- IEC systems committees, technical committees and standardization working groups
- Systems engineers, solution architects and project managers
- Business analysts, product owners and requirements engineers
- Organizations seeking consistent, repeatable methods to capture user requirements for cross-domain systems (smart energy, smart cities, AAL, etc.)
Related standards
- IEC TR 62559-1 (overview/background)
- IEC 62559-2 and IEC 62559-3 (use case templates and data elements)
- Domain-specific complements such as the IEC 62913 series for smart energy
Using IEC SRD 62559-4 helps teams produce consistent, reusable, and standards-aligned use cases that improve interoperability, traceability and the quality of user requirements in both standardization and enterprise projects.