New initiatives and existing organizations confront the growing challenge of taking advantage of the benefits of IT making their workflow more efficient and generating advantages which distinguish them from the others. In this context, there exists distinct outsourcing (or externalization) methods be it of all, or part, of the computing functions. The motivations for their adoption are various:
> Permits the organization to concentrate on the focus of it's activity.
> Improve, measure and control the service levels.
> Gain access to the abilities and practices not available internally.