Development life cycles

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The most common life cycle is the ‘waterfall’. This is generally regarded as being the ‘traditional’ development life cycle. Its name relates to the fact that it looks like a cascade where water falls from one level to the next.

 

Waterfall life cycle

 

Another way of representing this is to draw it in a ‘V’ shape. This highlights the top-down approach to defining requirements; the bottom-up approach to developing products and the verification and validation of what has been produced against what was required.

 

V life cycle


These life cycles are generally seen as being serial and the opposite of agile approaches that are far more iterative.

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28th July 2014Link to Italian translation added

Development life cycles

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