The Preservation model, the e-business system is developed
entirely within the company. This model is usually undertaken by businesses
that have the skills to carry out the e-business project on their own. Firms
that select this model generally place a high strategic value on the project.



When the strategic value and expertise of in-house resources
are low, outsourcing is a logical solution.



The recovery procurement model, there are two approaches
that can be followed: The first is to share development costs among several
companies. Despite the obvious economic benefit of this approach. The second
approach is to market the application developed by the company,