The public cloud is a base on the standard computing model in which a service provider makes resources such as virtual machines, applications, storage, and so on available to their customers over the internet. Public cloud services offer a pay-as-you-go model.
In the cloud computing model, a public cloud vendor provides on-demand availability of IT resources such as the server, database, network, storage, and so on, which organizations can use with secure web-based interfaces, or through application programs over the internet. In most of the cases, the customer only pays for the services that they are applying for the duration of utilization, which saves costs for them by optimizing IT resources to reduce idle time.
You can think of the public cloud in terms of an electric power supply model, where you switch on the light and pay only for the amount of electricity you use in units. As soon as you switch off, you are not paying for it. It abstracts you from the...