Software and systems engineering -- Methods and tools for the feature-based approach to software and systems product line engineering

Ingénierie du logiciel et des systèmes -- Méthodes et outils pour l'approche basée sur les caractéristiques dans l'ingénierie de lignes de produits logiciels et systèmes

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Status
Published
Publication Date
20-Apr-2021
Current Stage
5060 - Close of voting Proof returned by Secretariat
Start Date
20-Mar-2021
Completion Date
19-Mar-2021
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ISO/IEC FDIS 26580 - Software and systems engineering -- Methods and tools for the feature-based approach to software and systems product line engineering
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FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
26580
ISO/IEC JTC 1/SC 7
Software and systems engineering —
Secretariat: BIS
Methods and tools for the feature-
Voting begins on:
2021­01­22 based approach to software and
systems product line engineering
Voting terminates on:
2021­03­19
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/IEC FDIS 26580:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO/IEC 2021
---------------------- Page: 1 ----------------------
ISO/IEC FDIS 26580:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

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on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

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Published in Switzerland
ii © ISO/IEC 2021 – All rights reserved
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ISO/IEC FDIS 26580:2021(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................vi

Introduction ..............................................................................................................................................................................................................................vii

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 2

4 Overview of feature-based product line engineering .................................................................................................... 4

4.1 General ........................................................................................................................................................................................................... 4

4.2 Shared assets ............................................................................................................................................................................................ 5

4.3 Features ......................................................................................................................................................................................................... 6

4.4 Automated means of production ............................................................................................................................................. 7

5 A feature-based specialization of software and systems product line engineering .......................7

6 Reference model for the feature-based approach to software and systems product

line engineering .................................................................................................................................................................................................11

6.1 General ........................................................................................................................................................................................................11

6.2 Key elements of the feature-based PLE factory .......................................................................................................12

6.2.1 General...................................................................................................................................................................................12

6.2.2 Feature catalogue .........................................................................................................................................................13

6.2.3 Bill­of­features and bill­of­features portfolio ......................................................................................13

6.2.4 Shared asset supersets ............................................................................................................................................14

6.2.5 PLE factory configurator ........................................................................................................................................14

6.2.6 Product asset instances .................. .........................................................................................................................14

6.3 Relationships among the key elements of the factory .......................................................................................15

6.3.1 General...................................................................................................................................................................................15

6.3.2 Feature­based abstractions: feature catalogue and bill­of­features portfolio .........15

6.3.3 Domain supersets: feature catalogue and shared asset supersets ....................................16

6.3.4 Assets: shared asset supersets and product asset instances ..................................................17

6.3.5 Product instances: bill­of­features portfolio and product asset instances .................18

6.4 Reference model layers .................................................................................................................................................................19

6.5 Feature language ................................................................................................................................................................................20

6.6 Support for a hierarchical product line of product lines .................................................................................20

6.7 Other concerns .....................................................................................................................................................................................21

6.7.1 General...................................................................................................................................................................................21

6.7.2 Configuration management concern ...........................................................................................................21

6.7.3 Traceability concern ..................................................................................................................................................21

6.7.4 Change management concern ...........................................................................................................................22

6.7.5 Access control concern ............................................................................................................................................22

7 Technology layer ................................................................................................................................................................................................22

7.1 General ........................................................................................................................................................................................................22

7.2 Feature language ................................................................................................................................................................................22

7.3 Feature catalogue ...............................................................................................................................................................................25

7.4 Bill­of­features portfolio ..............................................................................................................................................................25

7.5 Shared asset supersets ..................................................................................................................................................................25

7.6 Product asset instances ................................................................................................................................................................26

7.7 PLE factory configurator..............................................................................................................................................................26

7.8 PLE factory development environment ..........................................................................................................................26

8 Technical organization management layer ............................................................................................................................27

8.1 General ........................................................................................................................................................................................................27

8.2 Relationship to ISO/IEC 26550 technical management process group and ISO/IEC

26556 ...........................................................................................................................................................................................................28

8.3 Feature catalogue engineering ...............................................................................................................................................29

8.3.1 Purpose .................................................................................................................................................................................29

© ISO/IEC 2021 – All rights reserved iii
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ISO/IEC FDIS 26580:2021(E)

8.3.2 Role ...........................................................................................................................................................................................29

8.3.3 Outcomes .............................................................................................................................................................................29

8.3.4 Inputs ......................................................................................................................................................................................29

8.3.5 Tasks ........................................................................................................................................................................................29

8.3.6 Tools .........................................................................................................................................................................................30

8.4 Bill­of­features portfolio engineering ..............................................................................................................................31

8.4.1 Purpose .................................................................................................................................................................................31

8.4.2 Role ...........................................................................................................................................................................................31

8.4.3 Outcomes .............................................................................................................................................................................31

8.4.4 Inputs ......................................................................................................................................................................................31

8.4.5 Tasks ........................................................................................................................................................................................31

8.4.6 Tools .........................................................................................................................................................................................32

8.5 Shared asset superset engineering .....................................................................................................................................32

8.5.1 Purpose .................................................................................................................................................................................32

8.5.2 Role ...........................................................................................................................................................................................33

8.5.3 Outcomes .............................................................................................................................................................................33

8.5.4 Inputs ......................................................................................................................................................................................33

8.5.5 Tasks ........................................................................................................................................................................................33

8.5.6 Tools .........................................................................................................................................................................................34

8.6 Automated configuration of the product asset instances ...............................................................................35

8.6.1 Purpose .................................................................................................................................................................................35

8.6.2 Role ...........................................................................................................................................................................................35

8.6.3 Outcomes .............................................................................................................................................................................35

8.6.4 Inputs ......................................................................................................................................................................................35

8.6.5 Task — Configure the shared asset supersets using the PLE factory

configurator.......................................................................................................................................................................35

8.6.6 Tools .........................................................................................................................................................................................35

8.7 Verification, validation, and product delivery of the product asset instances ..............................35

8.7.1 Purpose .................................................................................................................................................................................35

8.7.2 Role ...........................................................................................................................................................................................36

8.7.3 Outcomes .............................................................................................................................................................................36

8.7.4 Inputs ......................................................................................................................................................................................36

8.7.5 Tasks ........................................................................................................................................................................................36

8.7.6 Tools .........................................................................................................................................................................................36

8.8 Configuration management ......................................................................................................................................................37

8.8.1 Purpose .................................................................................................................................................................................37

8.8.2 Role ...........................................................................................................................................................................................37

8.8.3 Outcomes .............................................................................................................................................................................37

8.8.4 Inputs ......................................................................................................................................................................................37

8.8.5 Tasks ........................................................................................................................................................................................37

8.8.6 Tools .........................................................................................................................................................................................38

8.9 Traceability management ...........................................................................................................................................................38

8.9.1 Purpose .................................................................................................................................................................................38

8.9.2 Role ...........................................................................................................................................................................................38

8.9.3 Outcomes .............................................................................................................................................................................38

8.9.4 Inputs ......................................................................................................................................................................................39

8.9.5 Tasks ........................................................................................................................................................................................39

8.9.6 Tools .........................................................................................................................................................................................39

8.10 Change management ......................................................................................................................................................................40

8.10.1 Purpose .................................................................................................................................................................................40

8.10.2 Role ...........................................................................................................................................................................................40

8.10.3 Outcomes .............................................................................................................................................................................40

8.10.4 Inputs ......................................................................................................................................................................................40

8.10.5 Tasks ........................................................................................................................................................................................40

8.10.6 Tools .........................................................................................................................................................................................41

9 Business organization management layer .............................................................................................................................41

9.1 General ........................................................................................................................................................................................................41

9.2 Incorporation of ISO/IEC 26550, ISO/IEC 26556 and ISO/IEC 26562 processes .....................42

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ISO/IEC FDIS 26580:2021(E)

9.3 Fund the PLE factory .......................................................................................................................................................................44

9.3.1 Purpose .................................................................................................................................................................................44

9.3.2 Outcomes .............................................................................................................................................................................44

9.3.3 Inputs ......................................................................................................................................................................................44

9.3.4 Task — Establish and execute a funding policy for the PLE factory .................................44

9.3.5 Tools .........................................................................................................................................................................................45

Annex A (informative) Terminology specialization from ISO/IEC 26550 to this document ....................46

Annex B (informative) UML 2.0 Diagrams for the feature-based PLE factory ........................................................50

Bibliography .............................................................................................................................................................................................................................51

© ISO/IEC 2021 – All rights reserved v
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ISO/IEC FDIS 26580:2021(E)
Foreword

ISO (the International Organization for Standardization) and IEC (the International Electrotechnical

Commission) form the specialized system for worldwide standardization. National bodies that

are members of ISO or IEC participate in the development of International Standards through

technical committees established by the respective organization to deal with particular fields of

technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other

international organizations, governmental and non­governmental, in liaison with ISO and IEC, also

take part in the work.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for

the different types of document should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject

of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent

rights. Details of any patent rights identified during the development of the document will be in the

Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents) or the IEC

list of patent declarations received (see patents.iec.ch).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,

Subcommittee SC 7, Software and systems engineering.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
vi © ISO/IEC 2021 – All rights reserved
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ISO/IEC FDIS 26580:2021(E)
Introduction

Feature-based software and systems product line engineering (“feature-based PLE” for short) is

a specialization of software and systems product line (SSPL) engineering and management that is

described in ISO/IEC 26550. ISO/IEC 26550 describes a very generalized approach to SSPL, focusing on

the benefits of exploiting a common platform of reusable assets for a product family. Each organization

that adopts SSPL under ISO/IEC 26550 is free to do so using their preferred techniques and methods.

What is the motivation for creating a standard for a specialization of SSPL? As the SSPL field has

matured and achieved widespread attention in the industry, a specific and repeatable approach to SSPL

has emerged that takes advantage of commercial off-the-shelf industrial-strength tools and technology,

along with robust best practices for methods and processes, that automate and formalize many of the

processes in domain and application engineering. The result is that less upfront analysis, design, and

implementation effort is required prior to gaining the benefits from the approach.

While SSPL in general provides significant benefits, it also requires a significant investment of time and

effort to adopt and to ultimately achieve those benefits. The feature-based PLE specialization is a more

narrowly defined solution that can be supported by off-the-shelf tools and methods, which has resulted

in lower investments when an organization adopts SSPL. Feature­based PLE embodies lessons learned

about SSPL practices that have been shown to provide some of the highest benefits and returns (see, for

example, References [2] and[8]).

This document provides a reference model consisting of an abstract representation of the key technical

elements, tools, and methods of feature­based PLE. The predominant specializations of general SSPL

that characterize feature­based PLE are:

a) a mapping from features to asset variation points that is sufficient to drive a fully automated

configurator that produces assets specific to member products;

b) a methodological shift of all design and implementation effort, change management, and

configuration management to domain engineering, so that application engineering is reduced to

automated configuration of member product instances and testing of configured member products

and member-product-specific assets.

This document embodies a distinct separation of concerns between the feature-based PLE technology

providers and feature-based technology users. For each of these stakeholder concerns, the scope of this

document is to define only what is necessary and sufficient to enable feature-based PLE practice. For

technology providers, this imparts flexibility in how the necessary and sufficient technical capabilities

are provided, as well as the opportunity to offer more expansive capabilities that are possible in an

ideal solution. For technology users, this provides flexibility to select among the technology providers

and to apply the methods that best match their technical and business objectives for feature-based PLE.

© ISO/IEC 2021 – All rights reserved vii
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FINAL DRAFT INTERNATIONAL STANDARD ISO/IEC FDIS 26580:2021(E)
Software and systems engineering — Methods and tools
for the feature-based approach to software and systems
product line engineering
1 Scope

This document is a specialization of the more general reference model for software and systems

product line engineering and management described in ISO/IEC 26550. The specialization defined

herein addresses a class of methods and tools referred to as feature-based software and systems

product line engineering, or feature­based PLE, which has emerged as a proven and repeatable product

line engineering and management (PLE) practice supported by commercial tool p
...

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