Cloud types depends how to describe the services are delivered as well as underlying OWNERSHIP. Cloud deployment types describe the nature of the SPECIALISED services that are offered.

Public Clouds – Public Clouds- Public cloud is the most  common and popular cloud option adopted by users. The IT INFRASTRUCTURE resources like compute, network, storage in secured manner at low cost is available at public cloud environment. these IT infrastructures are shared amongst multiple clients therefore it is cheaper to use. All the resources are accessed and managed by web browser over internet.Public cloud services provided offering are Infrastructure as a service (IaaS), platform as a Service (PaaS) ans Software as a service (SaaS). Some of the public cloud offering are office 365, salesforce etc.

Advantage of Public Cloud:

• Economics of scale as PER unit cost reduces with increase in consumption volume
• It reduces time to MARKET and brings agility in business
• Users can increase and reduce consumption of resource dynamically depending on business requirement.

Disadvantages Of Public Cloud:

• Fewer options for customization
• Less secure compare to private cloud or on premises Data center
• Fixed architecture cannot (at times) grow with the needs of the business