IEEE 32430-2021

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IEEE/ISO/IEC International Standard–Software engineering–Trial use standard for software non-functional sizing measurements

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IEEE	2021

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Description

A method for the sizing of nonfunctional software requirements is defined in this standard. It complements ISO/IEC 20926:2009, which defines a method for the sizing of functional user requirements. Non-functional categories for data operations, interface design, technical environment, and architecture software are included in this standard. Steps to determine and calculate the non-functional size are also included. Handling requirements involving both functional and non-functional requirements are explained in this standard, which also covers how to apply non-functional sizing estimates in terms of cost, project duration and quality, and considerations of software performance in terms of productivity and quality. The combination of functional and nonfunctional size should correspond to the total size necessary to produce the software. The functional size and non-functional size are orthogonal, and both are needed when sizing the software. The complementarity of the functional and the non-functional sizes, to avoid overlaps or gaps between the two size methods, are described in this standard. Calculating the implementation work effort and duration of the non-functional requirements is outside the scope of this standard.

PDF Catalog

PDF Pages	PDF Title
4	Blank Page
5	Title page
7	Important Notices and Disclaimers Concerning IEEE Standards Documents
11	Participants
12	Introduction
13	Contents
14	1. Overview 1.1 Scope 1.2 Purpose
15	1.3 Word usage 2. Normative references
16	3. Definitions, acronyms, and abbreviations 3.1 Definitions
20	3.2 Abbreviations
21	4. Introductory Information 4.1 Non-Functional Software Size Measurement (NFSSM) introduction
22	4.2 Software-intensive system and software product 4.3 Software domains 4.4 The relations between non-functional requirements (NFR) definition and functional user requirements (FUR)
24	4.5 Key features of the NFSSM
25	4.6 Future evolution of NFR
26	4.7 Objectives and benefits
27	5. Non-functional size: Categories and sub-categories 5.1 Category 1: Data operations
36	5.2 Category 2: Interface design
45	5.3 Category 3: Technical environment
51	5.4 Category 4: Architecture
56	5.5 Sizing code data
59	6. The sizing process
60	6.1 The timing of the non-functional sizing 6.2 Non-functional sizing and FSM
61	6.3 Steps to determine the non-functional size
67	6.4 Calculating the Non-functional size
70	7. Complementarity of the functional and the non-functional sizes
71	7.1 Requirements involving functional and non-functional requirements
81	8. Use of non-functional software sizing 8.1 Functional size and non-functional size 8.2 Project management
85	8.3 Performance management
88	Annex A (informative) NFSSM strengths
89	Annex B (informative) Bibliography

Additional information

Standard Title	IEEE/ISO/IEC International Standard–Software engineering–Trial use standard for software non-functional sizing measurements
Published Code	IEEE
Publication Date	2021

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IEEE 32430-2021

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