Each company chooses a deployment model for a cloud computing solution based on their specific business, operational, and technical requirements. There are four primary cloud deployment models: private cloud, community cloud, public cloud, and hybrid cloud. Here is how each of the deployment models are defined:
The term private cloud has been described as neologisms, but the concept behind it pre-dates the term cloud by 40 years. Even within modern utility industries, hybrid models still exist despite the formation of reasonably well functioning markets and the ability to combine multiple providers.