Quality In The Software Business

• The traditional quality model presented in ISO 9126, the international standard for software evaluation, identifies the following aspects of quality:
  • Reliability
    • The application behaves in a reliable manner in its working environment.
    • The application is able to recover from error situations.
    • The maturity and stability of the software is properly tested before launching it to a live environment.
  • Functionality
    • The functions of the software application meet the set requirements.
    • The software is implemented so that it complies with the relevant standards.
    • The software allows interoperability between different systems and client devices.
    • Issues related to security are considered.
  • Useability
    • Users perceive the application easy to learn and to use.
    • The application allows the users to perform their tasks in a consistent and efficient manner.
    • The application is simple and hides the complex technology and implementation from the user.
  • Efficiency and performance
    • The application operates efficiently in the target environment.
    • The application performs tasks in an appropriate time frame while utilizing a reasonable amount of system resources.
  • Portability
    • The application can be transferred from one environment or target device to another in an efficient manner.
  • Maintainability
    • It is possible to make changes such as feature updates and correction patches to the software if necessary.
    • It is 100% backward compatible.

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© 2008 John Michael Pierobon

Notes