ISO/IEC 15909-1:2019
Systems and software engineering - High-level Petri nets - Part 1: Concepts, definitions and graphical notation
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About This Item
ISO/IEC 15909-1:2019 defines the concepts, definitions, and graphical notation for high-level Petri nets, providing a structured technical basis for describing systems and software behavior. For teams involved in analysis, design review, or model-based documentation, it helps establish a common language for representing complex processes and operational logic. ISO/IEC 15909-1:2019 is particularly relevant when organizations need a clear reference for technical assessment, documented evaluation, and consistent notation across engineering workflows.
Purpose of ISO/IEC 15909-1:2019
The purpose of ISO/IEC 15909-1:2019 is to standardize the core terminology and graphical representation used for high-level Petri nets. In practice, that supports engineering documentation, model exchange, and technical review by reducing ambiguity in how systems are described. It is useful where formal modeling is part of verification activities, quality workflows, or risk management, especially when teams need a reliable compliance reference for interpreting system behavior and relationships in a consistent way.
Compliance applications of ISO/IEC 15909-1:2019
ISO/IEC 15909-1:2019 may be used in workflows that involve software engineering governance, system modeling, and technical validation of process logic. It can support conformity assessment preparation where structured diagrams are needed for review, traceability, or internal approval. Organizations may use it during engineering documentation development, product evaluation, or laboratory evaluation of modeled behavior, particularly when multiple stakeholders need a shared graphical notation for technical assessment and operational consistency.
Benefits of ISO/IEC 15909-1:2019
Using ISO/IEC 15909-1:2019 can improve consistency in model interpretation, which is valuable for interoperability, engineering validation, and procurement review. A common notation helps reduce misunderstandings during technical discussions, testing workflows, and compliance workflows. It also supports more disciplined conformity assessment preparation by giving reviewers a stable framework for reading system descriptions. For organizations managing complex software or system architectures, the document can contribute to clearer documentation, lower integration risk, and more repeatable evaluation.
- Standardized concepts for high-level Petri nets used in system and software modeling
- Graphical notation guidance that supports clearer engineering documentation and review
- Useful for technical validation, traceability, and structured model-based assessment
- Supports consistency in compliance workflows and cross-team interpretation
- Publication Date: 2019-08-27
- Standard Status: Derived
- Publisher: IEC
- Edition: 2
- New Version Available: ISO/IEC 15909 (2021-09-11)
- This Version: ISO/IEC 15909 (2019-08-27)
- Previous Version: ISO/IEC 15909 (2013-11-22)
- Previous Version: ISO/IEC 15909 (2011-03-02)
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