July 2001
Intermediate to advanced
656 pages
15h 51m
English
book
Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition
by Craig Larman
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5.1. Types of Requirements
In the UP, requirements are categorized according to the FURPS+ model [Grady92], a useful mnemonic with the following meaning:[1]
[1] There are several systems of requirements categorization and quality attributes published in books and by standards organizations, such as ISO 9126 (which is similar to the FURPS+ list), and several from the Software Engineering Institute (SEI); any can be used on a UP project.
Functional— features, capabilities, security.
Usability— human factors, help, documentation.
Reliability— frequency of failure, recoverability, predictability.
Performance— response times, throughput, accuracy, availability, resource usage.
Supportability— adaptability, maintainability, internationalization, configurability. ...
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