Implementation Models
Reference has been made to decisions to be taken and plans to be made regarding a phased implementation (i.e. the deferral of a sub-set of the system's functionality, a level of integration with other systems, and/or the involvement of additional departments in the implementation, to a later date). These matters affect the scope of implementation and therefore initial planning for the implementation project. This phased approach is not however always appropriate and a number of different models are used, the four main alternative approaches being:
sudden or 'big bang' approach;
parallel approach;
phased approach;
pilot approach.
Click on each image for a fuller examination of each model.
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