Defensive design: Difference between revisions
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==External links== |
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*[http://pokayoke.wikispaces.com Mistake-Proofing Example Wiki] |
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*[http://www.mikelaurie.com/2008/11/14/debunking-defensive-design-for-the-web/ Article on Considerate and Proactive Defensive Design Principles] |
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Revision as of 16:35, 17 November 2008
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Defensive design is the practice of planning for contingencies in the design stage of a project or undertaking. Essentially, it is the practice of anticipating all possible ways that an end-user could misuse a device, and designing the device so as to make such misuse impossible, or to minimise the negative consequences. For example, if it is important that a plug be inserted into a socket in a particular orientation, the socket and plug will be designed so that it is physically impossible to insert the plug incorrectly. Power sockets are often keyed in such a manner, to prevent the transposition of live and neutral.
Defensive design in software engineering is called defensive programming. Murphy's law is a light-hearted statement of the need for defensive design.
This has also been called "Designing for Drunks."
See also
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