**3.2 Private cloud**

In case of Private Cloud mode, entire infrastructure is owned, managed and operated exclusively by the organization or by a third-party vendor or both together and is hosted on the organization premise using virtualization layer. It also facilitates flexibility, scalability, provisioning, automation and monitoring and thus offers the greatest level of control, configurability support, high availability or fault tolerant solutions and advanced security which is missing in public cloud. Basically, very concept of private clouds is driven by concerns around security and keeping assets within the firewall which results it to significantly more expensive with typically modest economies of scale.
