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BS ISO/IEC 24570:2018

BS ISO/IEC 24570:2018

$215.11

Software engineering. NESMA functional size measurement method. Definitions and counting guidelines for the application of function point analysis

Published By Publication Date Number of Pages
BSI 2018 82
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1.1 Purpose

This International Standard specifies the set of definitions, rules and guidelines for applying the Nesma Function Point Analysis (FPA) method.

1.2 Conformity

This International Standard is conformant with all mandatory provisions of ISO/IEC 14143‑1:2007.

1.3 Applicability

This International Standard can be applied to all functional domains.

1.4 Focus

The International Standard focuses on how the functional size of an application is determined. The International Standard does not go into any of the aspects that play a role when project budgets are established on the basis of this functional size (e.g. productivity standards and productivity attributes).

The figure below indicates what this International Standard will and will not cover.

Figure 1 Scope of the International Standard

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction to this Standard
11 1 Scope
1.1 Purpose
1.2 Conformity
1.3 Applicability
1.4 Focus
12 2 Introduction to FPA
2.1 Brief description of FPA
2.1.1 Background, purpose and application of FPA
2.1.2 Rationale behind FPA
13 2.2 Use of FPA: application versus project functional size
2.3 Types of function point analyses
2.4 Function point analyses during a project
14 2.5 Scope of the analysis and boundary of the application to be analyzed
2.6 Users
2.7 Functions and function types
15 2.8 The complexity of a function
16 2.9 The valuing of functions
2.10 The functional size
17 3 Guidelines to perform an FPA
3.1 Step-by-step plan to perform an FPA
3.2 Types of function point analyses and their accuracy
18 3.2.1 Indicative function point analysis
19 3.2.2 High level function point analysis
3.2.3 Detailed function point analysis
20 3.3 Role of the quality of the specifications
3.4 FPA during a project
21 3.5 Determining the functional size of an application
3.5.1 Determining the application boundary
22 3.5.2 Functional size of new applications
3.5.3 Functional size of enhanced applications
3.5.4 Functional size of re-built applications
23 3.6 Determining the functional size of a project
3.6.1 Determining the scope of a project function point analysis
24 3.6.2 Functional size of development projects
25 3.6.3 Functional size of enhancement projects
3.6.4 The project function point analysis during the replacement of an application
26 3.7 Definition of functional change
3.7.1 General
3.7.2 Modification of a transactional function
3.7.3 Modification of a data function
3.7.4 Modification of a DET
27 3.8 FPA in specific situations
3.8.1 Analyzing on the basis of traditional design
3.8.2 Analyzing packaged software
29 3.8.3 Analyzing screens or windows
30 3.8.4 Analyzing when prototyping
31 3.9 Illustration: FPA and the application life cycle
3.9.1 FPA during the requirements phase
32 3.9.2 FPA during the analysis phase
33 3.9.3 FPA during the functional design phase
34 3.9.4 FPA during the construction phase
3.9.5 FPA during the implementation phase
3.9.6 FPA during the operation and maintenance phase
35 4 General FPA guidelines
4.1 Analyzing from a logical perspective
4.2 Applying the rules
4.3 No double counting
4.4 Built functionality, non-requested functionality
36 4.5 Production of re-usable code
4.6 Re-use of existing code
4.7 Screens, windows and reports
4.8 Input and output records
4.9 Security and authorization
37 4.10 Operating systems and utilities
4.11 Report generators and query facilities
4.12 Graphs
4.13 Help facilities
38 4.14 Messages
4.15 Menu structures
4.16 List functions
4.17 Browse and scroll functions
39 4.18 Cleanup functions
4.19 Completeness check on the function point analysis
4.20 FPA tables
40 4.21 Deriving logical files (data functions) from a normalized data model
4.21.1 Introduction
4.21.2 Denormalization rules
41 4.21.3 The nature of the relationship (cardinality and optionality)
4.21.4 Independence or dependence of an entity type
43 4.21.5 Conversion table: from normalized entity types to logical files
4.22 Shared use of data
46 4.23 Generic rule for counting data element types
47 5 Internal Logical Files
5.1 Definition of an internal logical file
48 5.2 Identifying internal logical files
49 5.3 Determining the complexity of internal logical files
50 6 External Logical Files
6.1 Definition of an external logical file
51 6.2 Identifying external logical files
53 6.3 Determining the complexity of external logical files
7 External Inputs
54 7.1 Definition of an external input
55 7.2 Identifying external inputs
56 7.3 Determining the complexity of external inputs
58 8 External Outputs
8.1 Definition of an external output
60 8.2 Identifying external outputs
62 8.3 Determining the complexity of external outputs
63 9 External Inquiries
64 9.1 Definition of an external inquiry
65 9.2 Identifying external inquiries
66 9.3 Determining the complexity of external inquiries
68 Annex A (normative) Summary features for valuing function types
73 Annex B (normative) Function Point Analysis glossary

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BS ISO/IEC 24570:2018
$215.11