A hybrid cloud is a cloud computing environment in which an organization provides and manages some resources in-house and has others provided externally. For example, an organization might use a public cloud service, such as Amazon Simple Storage Service (Amazon S3) for archived data but continue to maintain in-house storage for operational customer data. The hybrid approach allows a business to take advantage of the scalability and cost-effectiveness that a public cloud computing environment offers without exposing mission-critical applications and data to third-party vulnerabilities. This type of hybrid cloud is also referred to as hybrid IT.
Integration of all hardware resources and creation of a powerful and integrated infrastructure to implement services on Virtual Systems is the most important advantage to use OpenStack Cloud Technology Infrastructure. The major difference between the Cloud Technology and traditional solutions (services implementation on physical servers) is that in traditional solutions, one server was used for each related service in which most of the hardware ability and resource system usage would be left unutilized. However, with Cloud Technology Infrastructure, the server hardware resources and installation of Operating Systems as well as server implementation on Virtual Systems are integrated, which in return, enables substantial decrease and prevention of Hardware resources, energy, and human resources waste.