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1、BRITISH STANDARD BS ISO/IEC 15939:2002 Software engineering Software measurement process ICS 35.080 ? Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO/IEC 15939:2002 This British Standard, having been prepared under the direction of th
2、e DISC Board, was published under the authority of the Standards Policy and Strategy Committee on 7 August 2002 BSI 7 August 2002 ISBN 0 580 40199 5 National foreword This British Standard reproduces verbatim ISO/IEC 15939:2002 and implements it as the UK national standard. The UK participation in i
3、ts preparation was entrusted to Technical Committee IST/15, Software engineering, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications refe
4、rred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provi
5、sions of a contract. Users are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretatio
6、n, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO/IEC title page, pages ii to v, a blank page, pages 1 to 37 and
7、 a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO/IEC
8、15939:2002(E) INTERNATIONAL STANDARD ISO/IEC 15939 First edition 2002-07-15 Software engineering Software measurement process Ingnierie du logiciel Mthode de mesure des logiciels BS ISO/IEC 15939:2002 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy,
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14、, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS/OIE93951 C:(2002E) I SO/IE 2002 C All irhgts seredevr iii Contents Page Foreword.iv Introduction.v 1 Scope1 1.1 Purpose.1 1.2 Field of application1 1.3 Tailoring this International Standard.1 1.4 Conformance1 1.5 Limitations2 2
15、Normative reference2 3 Terms and definitions .2 4 Application of this International Standard7 4.1 Purpose and outcomes of the software measurement process.7 4.2 Overview of this International Standard7 4.3 Organisation of this International Standard .10 5 Description of the activities11 5.1 Establis
16、h and sustain measurement commitment.11 5.2 Plan the measurement process .12 5.3 Perform the measurement process.15 5.4 Evaluate measurement17 Annex A (informative) The measurement information model.19 Annex B (informative) Measurement process work products27 Annex C (informative) Example criteria f
17、or selecting measures29 Annex D (informative) Example criteria for evaluating an information product.31 Annex E (informative) Example criteria for evaluating the performance of the measurement process34 Annex F (informative) Example elements of measurement planning35 Annex G (informative) Guidelines
18、 for reporting information products .36 Bibliography37 BS ISO/IEC 15939:2002 iii Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS/OIE93951 C:(2002E) vi I SO/IE 2002 C All irhgts seredevr Foreword ISO (the International Organization for Sta
19、ndardization) 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 organiz
20、ation to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology
21、, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of the joint technical committee is to prepare International Standards. Draft International Standards ado
22、pted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard may be
23、 the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 15939 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 7, Software and system engineering. Annexes A to G of this Internatio
24、nal Standard are for information only. BS ISO/IEC 15939:2002 iv Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS/OIE93951 C:(2002E) I SO/IE 2002 C All irhgts seredevr v Introduction Software measurement supports the management and improvem
25、ent of software processes and products. Measurement is a primary tool for managing software life cycle activities, assessing the feasibility of project plans, and monitoring the adherence of project activities to those plans. Software measurement is also a key discipline in evaluating the quality of
26、 software products and the capability of organisational software processes. It is becoming increasingly important in two party business agreements, where it provides a basis for specification, management, and acceptance criteria. Continual improvement requires change within the organisation. Evaluat
27、ion of change requires measurement. Measurement itself does not initiate change. Measurement should lead to action, and not be employed purely to accumulate data. Measurements should have a clearly defined purpose. This International Standard defines a software measurement process applicable to all
28、software-related engineering and management disciplines. The process is described through a model that defines the activities of the measurement process that are required to adequately specify what measurement information is required, how the measures and analysis results are to be applied, and how
29、to determine if the analysis results are valid. The software measurement process is flexible, tailorable, and adaptable to the needs of different users. BS ISO/IEC 15939:2002 v Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: s
30、heffieldun sheffieldun, na, Thu Nov 23 03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTENRATIONAL TSANDADR IS/OIE93951 C:(2002E) I SO/IE 2002 C All irhgts seredevr 1 Software engineering Software measurement process 1 Scope 1.1 Purpose This International Standard identifies the activities and
31、 tasks that are necessary to successfully identify, define, select, apply, and improve software measurement within an overall project or organisational measurement structure. It also provides definitions for measurement terms commonly used within the software industry. This International Standard do
32、es not catalogue software measures, nor does it provide a recommended set of measures to apply on software projects. It does identify a process that supports defining a suitable set of measures that address specific information needs. 1.2 Field of application This International Standard is intended
33、to be used by software suppliers and acquirers. Software suppliers include personnel performing management, technical, and quality management functions in software development, maintenance, integration, and product support organisations. Software acquirers include personnel performing management, te
34、chnical, and quality management functions in software procurement and user organisations. The following are examples of how this International Standard can be used: By a supplier to implement a software measurement process to address specific project or organisational information requirements. By an
35、 acquirer (or third-party agents) for evaluating conformance of the suppliers software measurement process to this International Standard. By an acquirer (or third-party agents) to implement a software measurement process to address specific technical and project management information requirements
36、related to the acquisition. In a contract between an acquirer and a supplier as a method for defining the software process and product measurement information to be exchanged. 1.3 Tailoring this International Standard This International Standard contains a set of activities and tasks that comprise a
37、 software measurement process that meets the specific needs of software organisations and projects. The tailoring process consists of modifying the non-normative descriptions of the tasks to achieve the purpose and outcomes of the software measurement process. All normative clauses shall be satisfie
38、d. New activities and tasks not defined in this International Standard may be added as part of tailoring. 1.4 Conformance Conformance to this International Standard is defined as satisfying the purpose and outcomes of the measurement process and all of the normative clauses within the tasks in Claus
39、e 5. Any organisation imposing this International Standard as a condition of trade is responsible for specifying and making public all task-specific criteria to be imposed in conjunction with this International Standard. BS ISO/IEC 15939:2002 1 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23
40、03:49:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS/OIE93951 C:(2002E) 2 I SO/IE 2002 C All irhgts seredevr Throughout this International Standard, “shall” is used to express a provision that is binding on the party that is applying this International Standard, “should” to express a recommendatio
41、n among other possibilities, and “may” to indicate a course of action permissible within the limits of the International Standard. It is the responsibility of the organisation to maintain appropriate evidence of satisfaction of the normative clauses for purposes of demonstrating conformance. 1.5 Lim
42、itations This International Standard does not assume or prescribe an organisational model for measurement. The user of this International Standard should decide, for example, whether a separate measurement function is necessary within the organisation, whether the measurement function should be inte
43、grated within individual software projects, or across projects, based on the current organisational structure, culture, and prevailing constraints. This International Standard is not intended to prescribe the name, format, or explicit content of the documentation to be produced. The International St
44、andard does not imply that documents be packaged, or combined in some fashion. These decisions are left to the user of the International Standard. The measurement process should be appropriately integrated with the organisational quality system. Not all aspects of internal audits and non-compliance
45、reporting are covered explicitly in this International Standard, as they are assumed to be in the domain of the quality system. This International Standard is not intended to conflict with any organisational policies, standards, or procedures that are already in place. However, any conflict should b
46、e resolved and any overriding conditions and situations need to be cited in writing as exceptions to the application of the International Standard. 2 Normative reference The following normative document contains provisions which, through reference in this text, constitute provisions of this Internat
47、ional Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the normative document ind
48、icated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO, International Vocabulary of Basic and General Terms in Metrology, 1993 3 Terms and definitions For the pu
49、rposes of this International Standard, the following terms and definitions apply within the context of software measurement. 3.1 acquirer individual or organisation that procures a system, software product, or software service from a supplier NOTE Based on the definition in ISO/IEC 12207:1995. 3.2 attribute property or characteristic of an entity that can be distinguished quantitatively or qualitatively by human or automated means BS ISO/IEC 15939:2002 2 Licensed Copy: sheffieldun