Abstract
This paper describes a study of successful action in the mission critical project by risk sharing with stakeholders. The features, such as a background, when promoting a project are described. Importance and a degree of incidence are evaluated, a risk is extracted to the high thing of a priority, and it corresponds. In addition, in this project, all actions that can respond carried out and strove for risk reduction. For example, the scope was specified about the change request of specification. The purpose (Raison d'etre, requirements, priority) of the system was taken into consideration, and the risk was shared with the stakeholder. And flexible correspondence was carried out. This paper desires to become the reference for preventing failure, when the problem project has occurred still now.
