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1、 Reference number ISO/IEC 14143-6:2006(E) ISO/IEC 2006 INTERNATIONAL STANDARD ISO/IEC 14143-6 First edition 2006-06-01 Information technology Software measurement Functional size measurement Part 6: Guide for use of ISO/IEC 14143 series and related International Standards Technologies de linformatio
2、n Mesurage du logiciel Mesurage de la taille fonctionnelle Partie 6: Guide pour lusage de la srie ISO/CEI 14143 et des Normes internationales connexes Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not fo
3、r Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14143-6:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless t
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6、 unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, inc
7、luding photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Publi
8、shed in Switzerland ii ISO/IEC 2006 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from I
9、HS -,-,- ISO/IEC 14143-6:2006(E) ISO/IEC 2006 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Abbreviated terms 1 3 FSM related standards (ISO/IEC 14143 series), FSMM standards, and their interrelationships 2 3.1 Outlines of FSM related standards . 2 3.2 Outlines of st
10、andardized FSMMs 4 3.3 Relationship between FSM related standards. 5 3.4 Guidelines for usage of FSM related standards 8 4 Use of FSM and FS . 8 4.1 Overview 8 4.2 Project management. 9 4.3 Performance management. 9 5 FSMM selection and development processes. 10 5.1 Outline of clause 5 10 5.2 Proces
11、s to select a suitable FSMM. 11 5.3 FSMM development process . 13 Annex A (informative) Scopes of FSM related standards 15 Bibliography. 21 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 0
12、4/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14143-6:2006(E) iv ISO/IEC 2006 All rights reserved Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized syst
13、em 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 co
14、llaborate 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, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standa
15、rds are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication
16、 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 document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such pate
17、nt rights. ISO/IEC 14143-6 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 7, Software and system engineering. ISO/IEC 14143 consists of the following parts, under the general title Information technology Software measurement Functional size measureme
18、nt: Part 1: Definition of concepts Part 2: Conformity evaluation of software size measurement methods to ISO/IEC 14143-1:1998 Part 3: Verification of functional size measurement methods Technical Report Part 4: Reference model Technical Report Part 5: Determination of functional domains for use with
19、 functional size measurement Technical Report Part 6: Guide for use of ISO/IEC 14143 series and related International Standards Annex A of this part of ISO/IEC 14143 is for information only. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong
20、 Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14143-6:2006(E) ISO/IEC 2006 All rights reserved v Introduction Functional Size Measurement (FSM) is a technique used to measure the size of softwar
21、e by quantifying the Functional User Requirements of the software. The first published method to embrace this concept was Function Point Analysis, developed by Allan J. Albrecht in the late 1970s. Since then, numerous extensions and variations of the original method have been developed. In the field
22、 of ISO/IEC International Standards, the following Functional Size Measurement-related International Standards and Technical Reports have been published: ISO/IEC 14143 series, parts 1 to 5, ISO/IEC 19761:2002, ISO/IEC 20926:2002, ISO/IEC 20968:2002, and ISO/IEC 24570:2004. This part of ISO/IEC 14143
23、 was established to provide FSM Method users and developers with a guide as to how these International Standards and Technical Reports relate to each other and how to use them. The Functional Size (FS) obtained by measuring a piece of software contributes to a better understanding of the characteris
24、tics of the software, as well as the development, maintenance and support activities thereof. The three types of International Standards and Technical Reports related to the definition and use of FS and/or Functional Size Measurement (FSM) are: a) Concept Standards: Describe concepts and provide def
25、initions; b) Supporting Standards: Supply information to assist in the evaluation of Functional Size Measurement Methods (FSMM) and examples of the software domains that they measure; and c) Method Standards: Define instances of FSMMs. Any FSMM, other than the Method Standards, can be used to measur
26、e FS as long as it conforms to ISO/IEC 14143-1. FSMMs can vary in their capability to measure software in different domains. Therefore, before deciding on which FSMM to use, it is advisable to assess the capability of the method to adequately size the software to be measured. This part of ISO/IEC 14
27、143 provides guidance on how to select a suitable FSMM using all FSM-related International Standards. The FS results obtained from applying the selected FSMM can be used for a variety of purposes throughout the life cycle of the software. This part of ISO/IEC 14143 also provides illustrative example
28、s of how to use FSM and functional size to manage aspects of software development and maintenance. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or
29、networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -
30、,-,- INTERNATIONAL STANDARD ISO/IEC 14143-6:2006(E) ISO/IEC 2006 All rights reserved 1 Information technology Software measurement Functional size measurement Part 6: Guide for use of ISO/IEC 14143 series and related International Standards 1 Scope This part of ISO/IEC 14143 provides a summary of th
31、e FSM-related standards and the relationship between: the ISO/IEC 14143 series FSM framework International Standards that provide the definitions and concepts of FSM and conformance and verification of FSMMs, and the ISO/IEC standard FSMMs, i.e. ISO/IEC 19761, ISO/IEC 20926, ISO/IEC 20968 and ISO/IE
32、C 24570. This part of ISO/IEC 14143 also provides a process to assist users to select and develop an FSMM that meets their requirements as well as provides guidance on how to use FS. This part of ISO/IEC 14143 also gives guidance on how to use FS. FSMMs include, but are not limited to, ISO/IEC 19761
33、, ISO/IEC 20926, ISO/IEC 20968 and ISO/IEC 24570. NOTE An FSMM is a software sizing method that conforms to the mandatory requirements of ISO/IEC 14143-1. Recommending a specific FSMM is outside the scope of this part of ISO/IEC 14143. The audiences of this part of ISO/IEC 14143 are: users and poten
34、tial users of FSM; and developers of an FSMM. 2 Abbreviated terms BFC Base Functional Component FS Functional Size FSM Functional Size Measurement FSMM Functional Size Measurement Method FUR Functional User Requirement Copyright International Organization for Standardization Provided by IHS under li
35、cense with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14143-6:2006(E) 2 ISO/IEC 2006 All rights reserved 3 FSM related standards (ISO/IEC 14143 series), FSMM standards, and t
36、heir interrelationships 3.1 Outlines of FSM related standards 3.1.1 Overview Function Point Analysis was established in the late 1970s. It has subsequently been used worldwide. Over time alternative methods have been derived and devised. Although these methods vary in the rules they use to measure s
37、oftware, they all focus on measuring FURs of software. ISO/IEC 14143-1 defines concepts of FSM and FSMM. Subsequent parts of ISO/IEC 14143 (ISO/IEC 14143 series) have been developed to evaluate FSMMs. The following clauses outline these FSM related standards. NOTE For copies of the Scope clauses of
38、the FSM related standards, refer to Annex A of this part of ISO/IEC 14143. 3.1.2 ISO/IEC 14143-1 ISO/IEC 14143-1 is a Concept Standard and is a basis for other International Standards and Technical Reports that are categorized as Supporting Standards and Method Standards. This part of ISO/IEC 14143
39、is the foundation standard of the series and has the following contents: a) Definitions b) Characteristics of FSMMs c) Requirements for FSMMs d) Process for applying an FSMM e) FSMM labelling conventions ISO/IEC 14143-1 is an International Standard. 3.1.3 ISO/IEC 14143-2 ISO/IEC 14143-2 is a Support
40、ing Standard. This part of ISO/IEC 14143 defines processes to check conformity of a Candidate FSMM with ISO/IEC 14143-1. Using ISO/IEC 14143-2 is recommended whilst the conformity assessment can be done without using ISO/IEC 14143-2. ISO/IEC 14143-2 has the following contents: a) Evaluator character
41、istics b) Inputs to conformity evaluation c) Tasks and steps of the conformity evaluation procedure d) Conformity evaluation outputs e) Conformity evaluation result Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/997
42、6803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14143-6:2006(E) ISO/IEC 2006 All rights reserved 3 In addition, there are the following annexes: a) Evaluator capability (Informative) b) Example of a conformity evaluation c
43、hecklist (Informative) c) Example of a conformity evaluation report (Informative) ISO/IEC 14143-2 is an International Standard. 3.1.4 ISO/IEC TR 14143-3 ISO/IEC TR 14143-3 is a Supporting Standard. For FSMM users wanting to evaluate the most suitable method for their needs or for developers who want
44、 to check their FSMM performance claims, this part of ISO/IEC 14143 provides a process to assess the performance properties of an FSMM. While there are many ways to do the verification, the use of ISO/IEC TR 14143-3 is recommended. ISO/IEC TR 14143-3 has the following contents: a) Verification team
45、competency and responsibility b) Verification inputs c) Verification procedure d) Verification outputs In addition, it includes the following annexes; a) Presentation of test requests (Normative) b) Verification methods (Normative) c) Example of a verification report (Informative) ISO/IEC TR 14143-3
46、 is a Type 2 Technical Report. 3.1.5 ISO/IEC TR 14143-4 ISO/IEC TR 14143-4 is a Supporting Standard. This part of ISO/IEC 14143 provides a standard collection of Reference User Requirements, which are useful for comparing the FSM results among FSMMs. It also contains guidance on selecting Reference
47、FSMMs. Together with ISO/IEC TR 14143-3, it enables the collection of normative, quantitative evidence of the performance of the FSMM. ISO/IEC TR 14143-4 has the following requirements: a) Reference User Requirements (RUR) b) Reference FSMMs In addition, it includes the following example Reference U
48、ser Requirements in annexes; a) Business application RUR (Normative) b) Real time / Control RUR (Normative) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 09:57:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14143-6:2006(E) 4 ISO/