How many different cloud deployment models exist? Explain them briefly.

Models of cloud deployment provide information about the ownership and location of the servers you're using. The four cloud deployment models are as follows:

• Public Cloud: This kind of cloud deployment architecture gives access to all customers to utilize any type of computer resource they may need, ranging from OS, CPU, and memory to application servers and databases.
• Private Cloud: A private cloud is often utilized by a single organization and managed by either the company itself to handle different user groups or a service provider that handles it either on-site or off-site. In general, private clouds are more expensive than public ones.
• Hybrid Cloud: A hybrid cloud uses both private and public cloud infrastructure and is most commonly used when the company needs to quickly scale up its IT infrastructure.
• Community Cloud: A community cloud model facilitates many organizations that are a member of a community sharing computer resources, such as colleges that work together in certain research fields or police forces that share computing resources within a county or state. Members of the community are often the only ones with access to a community cloud environment.