A public cloud can be
accessed by any subscriber with an internet connection and a device to access
the cloud space.The name “public” in the public cloud comes from the fact that
application is hosted on the Hosting Providers location that means vendors/service
providers.A public cloud sells services to anyone on the Internet.Even though
it is hosted in a shared system, each resource operates in business environment
and encrypted securely.
In this type of cloud all
the hosted resources and services are dynamically added and removed based on
the usage.The applications, hardware, software,information and other resources
are made available to the users through a service provider.Some services are
free and other services are offered on a pay-per-use model.So,public cloud is
more advantages for Small and Medium scale users or business enterprises since
we are going to pay for the resources which we are going to use.Public cloud is a traditional way of cloud
computing where resources are dynamically provided to users on a fine-grained,self-service
and on-demand basis over the Internet or/and through or/and from an off-site
third party provider.
The service providers
operate the infrastructure and provide access to users only through internet(no
direct connectivity is offered) The infrastructure part maintained by the service
provider includes hardware and the bandwidth.
Examples of Public Cloud service
providers in the market are Amazon Web Services(AWS), Microsoft Azure and
Google Apps.Currently,Amazon Web Services is the largest public cloud service provider.
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