A public cloud is a type of cloud computing that delivers services, such as storage, computing, and networking, over the internet to anyone who wants to use them. The services are delivered from a collection of servers and other resources that are owned and operated by a third-party cloud provider, and are made available to the public on a pay-per-use basis.
Public clouds are designed to be highly scalable and flexible, and can be used to host a wide range of applications and services, including websites, e-commerce platforms, and data analysis and storage systems. Because the resources of a public cloud are shared among many different users, they can be accessed and used on-demand, without the need to invest in and manage on-premises hardware and software.
Public clouds are typically deployed in data centers that are owned and operated by the cloud provider, and are accessed over the internet using standard protocols, such as HTTP and HTTPS. Users of a public cloud do not need to worry about the underlying infrastructure or maintenance of the servers and other resources that make up the cloud, as these are all handled by the cloud provider.
There are several different types of public clouds, including infrastructure-as-a-service (IaaS), platform-as-a-service (PaaS), and software-as-a-service (SaaS). Each of these types of clouds offers a different set of services and capabilities, and is designed to meet the needs of different types of users and applications.
Some of the main benefits of using a public cloud include the ability to scale resources up or down as needed, the ability to pay only for the resources that are used, and the ability to access a wide range of services and tools without the need to invest in and manage on-premises hardware and software.