The term "public cloud" is used to differentiate between the original cloud model of services accessed over the Internet and the private cloud model. A public cloud is a cloud service offered to multiple customers by a cloud provider. Private on-premises cloud may be ideal for the following subscribers: Others see it simply as the use of multiple cloud services, orchestrated to work together. This is a more complex cloud solution in that the organization must manage multiple platforms and determine where data is stored. Ex: Corporate IT department. A private cloud typically empowers a single organization with cloud functionality that is often specifically purpose-built. The infrastructure and services are maintained and deployed over a private network; hardware and software are dedicated only to a private company i.e. The main differentiator between public and private clouds is that you aren’t responsible for any of the management of a public cloud hosting solution.Your data is stored in the provider’s data center and the provider is responsible for the … Public Cloud: It is owned by the cloud service provider. Google back-end data of the applications like Google Drive, Google docs or YouTube, etc is not available to the public, these types of data and applications run on a private cloud. Hybrid cloud solutions are a blend of public and private clouds. Organizations typically host private cloud in a colocated data center such as AWS, Rackspace, Azure, or GCP. Public Cloud. Public clouds include SaaS, PaaS, and IaaS services. The final choice will be based on a collection of factors, limitations, and use-cases. Public and Private Cloud technologies offer companies advantages in several different ways. Public cloud is certainly not meant for banks, for example. Public clouds are ideal for companies with predictable computing needs, like in communication services. Public cloud providers tend to provide just the basic security and nothing more. Private Cloud: It functions for single organizations on a private network and it is secure. Hybrid cloud: It is the combination of both private and public versions of the cloud. Some of the popular examples of public clouds include Amazon Elastic Cloud Compute(EC2), Google App Engine, Blue Cloud by IBM and Azure services Platform by Windows. Private cloud. Ex: Proprietary technology. For example, storing your data in the private cloud while running your app in the public cloud. Private Cloud A private cloud hosting solution, also known as an internal or business cloud, resides in the company's intranet or in the data center hosted where all your data is protected behind a firewall. So, public cloud may not be ideal for enterprises that require security and confidentiality for the data they manage. Although public clouds have many advantages, most companies rarely deploy 100% of their applications to a public environment. Ex: Gmail. As the private cloud market has matured, there are now a plethora of options for customers. This would also mean that there would be no new benefits in moving to the public cloud, no need for a new operations mentality, and no need for any new skills or tools. But if the public cloud were equivalent to a private cloud, then there would be no difference in how you should build, deploy and operate applications. Examples of public cloud services include: Gmail; Salesforce; Dropbox; Private cloud . Deployment Models of Cloud Computing.