ISO/IEC 29881:2010
Information technology - Systems and software engineering - FiSMA 1.1 functional size measurement method
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About This Item
ISO/IEC 29881:2010 defines the FiSMA 1.1 functional size measurement method for information technology systems and software engineering, providing a structured basis for evaluating software size from a functional perspective. For teams using ISO/IEC 29881:2010 in engineering or procurement review, the document can support more consistent technical assessment, documented evaluation, and comparison of delivery scope across projects. It is particularly relevant where functional size is used to strengthen estimation, quality workflows, and compliance preparation.
Purpose of ISO/IEC 29881:2010
The purpose of ISO/IEC 29881:2010 is to establish a method for measuring the functional size of software in a repeatable and traceable way. In practice, that helps organizations align technical review activities with a common measurement approach when defining requirements, planning verification activities, or comparing supplier deliverables. As a derived reference connected to ISO/IEC 29881, it is best viewed as a supporting technical document within a broader measurement and assessment workflow rather than a standalone design specification.
Compliance applications of ISO/IEC 29881:2010
ISO/IEC 29881:2010 is commonly useful in software procurement, project governance, and conformity assessment preparation where a documented method is needed to assess functional scope. It may support product evaluation, contract review, and technical validation in environments that require consistent sizing of software functions before acceptance or release. Organizations often use this type of compliance reference to improve operational consistency across development teams, laboratories, and third-party review processes.
Benefits of ISO/IEC 29881:2010
Using ISO/IEC 29881:2010 can improve estimation quality, reduce ambiguity in scope definition, and support more defensible engineering documentation. A consistent functional size measurement method often helps with risk management, especially when comparing bids, tracking changes, or preparing for regulatory preparation and audit activities. It also supports testing workflows by giving teams a clearer basis for technical assessment, helping improve verification consistency and reducing disputes during acceptance or conformity assessment.
- Functional size measurement for software scope review and estimation
- Support for documented evaluation in engineering and procurement workflows
- Useful input for verification activities, acceptance planning, and change control
- Helps align technical assessment across suppliers, projects, and review teams
- Publication Date: 2010-07-30
- Standard Status: Derived
- Publisher: IEC
- Edition: 2
- This Version: ISO/IEC 29881 (2010-07-30)
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