To summarize, the private cloud is an attempt to utilize the benefits of cloud along with retaining control of the data.
Private cloud is mostly controlled by the company only, who has to maintain trained staff for administration..Public cloud is the cloud data resides on vendor’s remote servers, and software, resources, etc., are available on demand. Public cloud is able to use big data technology to generate useful business insights. Some businesses, there’s a practical need to maintain some data on-premise and yet benefit from cloud computing so, for them the hybrid cloud is the way to go, as it allows them to set up data-exchange programs that enable multiple deployments to work together.