Benefits of Private Cloud Model
High security and privacy-
Private cloud resources are shared from distinct pool of resources and hence highly secured.
Private clouds have more control on its resources and hardware than public cloud because it is accessed only within the boundary of an organization.
Cost & Energy Efficiency-
Private cloud resources are not as cost effective as public clouds but they offer more efficiency than public cloud.
Disadvantages of Private Cloud Model
Private cloud is only accessible locally and it is very difficult to deploy globally.
Private clouds are scaled only within capacity of internal hosted resources.
In order to maintain cloud deployment, organization requires more skilled and expertise.
In order to fulfill demand, purchasing new hardware is very costly.