Difference between revisions of "Waterfall model"

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The '''waterfall model''' is a sequential design process, used in [[http://en.wikipedia.org/wiki/Software_development_process|software development processes]], in which progress is seen as flowing steadily downwards (like a waterfall) through the phases of:
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The '''waterfall model''' is a sequential design process, used in [[Software_development_process|software development processes]], in which progress is seen as flowing steadily downwards (like a waterfall) through the phases of:
  
 
* Conception
 
* Conception

Revision as of 08:07, 17 May 2015

The waterfall model is a sequential design process, used in software development processes, in which progress is seen as flowing steadily downwards (like a waterfall) through the phases of:

  • Conception
  • Initiation
  • Analysis
  • Design
  • Construction
  • Testing
  • Production/implementation
  • Maintenance.

The waterfall development model originates in the manufacturing and construction industries: highly structured physical environments in which after-the-fact changes are prohibitively costly, if not impossible.

Since no formal software development methodologies existed at the time, this hardware-oriented model was simply adapted for software development.

Agile software development is intended to improve upon the Waterfall model.

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