BS ISO IEC IEEE 24774:2021 pdf download – Systems and software engineering — Life cycle management — Specification for process description

02-23-2022 comment

BS ISO IEC IEEE 24774:2021 pdf download – Systems and software engineering — Life cycle management — Specification for process description.
Generally, several software or systems engineering processes are performed concurrently during a life cycle stage. However, concurrent activities (e.g. installation and quality assurance inspections) are not necessarily part of the same process, since their purpose, resources, methods, outputs, and outcomes are different. Process descriptions may be used either to describe generic processes (for example “project management process”) or to describe a particular instance of a generic type (for example “project management process for project A”). For specific process descriptions, generic process descriptions may be instantiated with respect to roles or responsibilities, resources, required inputs and outputs, constraints and controls, and time. Annex A provides examples of process descriptions used to develop a process model. Annex B provides a technique for demonstration of process traceability between elements, using an example process from Annex A. Processes are often combined to form a process model (framework of related processes). ISO/IEC/IEEE 15288 and ISO/IEC/IEEE 12207, for example, provide life cycle process reference models for systems and software in which outcomes are defined and activities grouped for generic life cycle process description. Based on ISO/IEC/IEEE 15288:2015, Annex A and ISO/IEC/IEEE 12207:2017, Annex A, organizations or projects can apply process tailoring to suit the nature of the effort. NOTE 4 ISO/PAS 19450 specifies concepts, semantics, and syntax of Object-Process Methodology as a modelling paradigm and language for producing conceptual models at various extents of detail. Various schemas for characterizing and evaluating process maturity, capability or quality are in use. These schemas typically distinguish between levels of process performance and involve process improvement. Process levels can involve following the process repeatedly to successfully achieve its outcome or produce specified output, and automating and improving the process.
5.3 Process description – required elements 5.3.1 General A process description can include the elements as shown in Figure 2. The minimum required elements for a process description shall be the name, purpose, and outcomes. Optional elements, such as outputs, activities, and tasks, may be included in process descriptions. The goals and objectives of performing a process shall be described by using the elements of name, purpose, and outcomes. These elements are used to describe intended results without the necessity of performing structural decomposition of the process. Processes defined using name, purpose, and outcomes provide a common starting point for process implementation and process assessment. NOTE ISO/IEC/IEEE 15288:2015, Figure D.1 and ISO/IEC/IEEE 12207:2017, Figure D.1 show a process construct. ISO/IEC/IEEE 24748-1:2018, Annex A also describes process elements.

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