Disaster Recovery as a Service: A Disaster Recovery Plan in the Cloud for SMEs

In a world of interdependent economies, the number of threats imposed on the information system of companies and organizations is steadily increasing. Companies need more than ever to prepare for major crises and organize to be able to ensure continuity of its critical IT activities through the establishment of a Disaster Recovery Plan. For many companies, the establishment of such plan was considered a very difficult task to achieve. The development of cloud computing offerings and their adoption within companies opens up new practices. One of them is the rescue of the information system in the cloud. In this paper, we focus on presenting this new solution known as Disaster Recovery as a Service as well as good practices in planning for a company to succeed such a project. Our work was based on a comparative study between traditional IT strategies and DRaaS solution and argued through the enumeration of some research works as well as the return to experience of some companies.