ISO/IEC 19761:2011
Software engineering - COSMIC: a functional size measurement method
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About This Item
ISO/IEC 19761:2011 defines COSMIC, a functional size measurement method used to evaluate software size in a consistent, structured way. For teams comparing software scope, estimating effort, or documenting deliverables, it can support clearer technical assessment and more repeatable planning. Because the document is based on the official title Software engineering - COSMIC: a functional size measurement method, it is most relevant to organizations seeking a practical compliance reference for software measurement, quality workflows, and documented evaluation.
What is ISO/IEC 19761:2011?
ISO/IEC 19761:2011 is the second edition of the COSMIC functional size measurement method, linked to the parent reference ISO/IEC 19761. It provides a formal approach for measuring software functionality in a way that can support engineering documentation, verification activities, and technical validation. In procurement or delivery contexts, it may help define scope more objectively and improve consistency when comparing bids, tracking change impact, or preparing a conformity assessment package.
Applications of ISO/IEC 19761:2011
Organizations often use ISO/IEC 19761:2011 in software estimation, project control, and product evaluation workflows where a repeatable sizing method is needed. It can be useful during requirements review, contract definition, and acceptance planning, especially when teams need a documented basis for effort analysis or progress tracking. The method may also support technical review activities in development environments where operational consistency, traceability, and measurable scope are important to regulatory preparation or internal governance.
Why is ISO/IEC 19761:2011 important?
ISO/IEC 19761:2011 matters because a consistent functional sizing method can reduce ambiguity in engineering and procurement decisions. By giving teams a defined basis for measurement, it supports testing workflows, quality assurance, and risk management across software lifecycles. That can improve communication between buyers, developers, assessors, and laboratories, particularly when documentation must demonstrate technical compliance, support estimation accuracy, or justify acceptance decisions during conformity assessment preparation.
- Supports structured functional size measurement for software projects
- Helps improve estimation, scope control, and change review
- Useful for documentation tied to compliance workflows and technical validation
- Provides a common reference for procurement, delivery, and acceptance discussions
- Can strengthen repeatability in quality and verification activities
- Publication Date: 2011-11-03
- Standard Status: Derived
- Publisher: IEC
- Edition: 2
- This Version: ISO/IEC 19761 (2011-11-03)
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