PRELIMINARY STUDY

A preliminary study is applicable to a domain, or to a main function of a company.

Also called: feasibility study

Purposes

The purpose of this step is to get a complete description of the new solution for the considered domain. It will be done in several phases, in order to take several possible assumptions into consideration, and to adjust progressively the solution towards the optimal choice.

 functions & processes

 data

 organization

 technical resources

 budget

 planning

 migration path

The final point of the preliminary study is

 to make the decision about a solution type, with a perfect knowledge of its feasibility: costs, profitability, time limits, budget, needed resources, impact on the organization, ...

 write the realization specifications; select a subcontractor or a package

Phases