Introduction To Cloud Computing

What is Cloud Computing?

This term was derived by the cloud symbol commonly used to refer to the Internet in various areas. To explain in simple terms, cloud computing is a combined term for anything which includes providing hosted services via the Internet. The services are further categorized into three broad categories: Platform-as-a-Service (PaaS), Infrastructure-as-a-Service (IaaS), and Software-as-a-Service (SaaS).

It is provided on minutes or hours bases, as desired by the consumer. High-Speed Internet availability and innovations have increased the demand for cloud computing. This is managed by the service provided according to the terms of consumer, publicly or privately. The private cloud is an exclusive network which involves a group of people while the public cloud computing refers to services sold to everyone and anyone on the internet. In any case, the sole purpose of cloud computing is to give easy, scalable access to IT services and computing resources.

Models for Cloud Computing:

PLATFORM-AS-A-SERVICE (PaaS):

This is a service which works to removes the requirement for organizations or institutions to handle the background structure which usually comprises of the operating system or hardware and permits the consumer on the arrangement and handling of your applications. Therefore, it helps the service utilizer to be more efficient as you don’t have to worry about space management, software security, and maintenance, patching, resource obtaining or any of the other maintenance required in running your application smoothly.

INFRASTRUCTURE-AS-A-SERVICE (IaaS):

It provides consumers with maximum flexibility and handling control over their IT resources. This includes architecture for cloud IT and generally gives access to networking characteristics, storage space, and virtually on computers or any other desired hardware.

SOFTWARE-AS-A-SERVICE (SaaS):

Mostly it is referred to as end-user applications as this gives the consumer with the completed product which is handled and run by the service provider. With this, the consumers do not have to have to worry about any aspect of the application from its background working to its internal and external operating.

Deployment Models for Cloud Computing:

CLOUD:

A Cloud based-application is arranged in the cloud and all parts of the application processed in the cloud. The applications don’t necessarily have to make in the cloud but can be migrated from any existing structure to utilize the benefits offered from cloud computing.

HYBRID:

In a hybrid cloud, the consumer utilize linked private and public cloud structure. It is usually preferred by organizations when they require to scale up their IT infrastructure. The scaling up includes expanding, growth of the whole organization’s infrastructure. Like, leveraging public clouds to complement the space available within a certain private cloud.

ON-PREMISES:

It is also at times termed as a private cloud. This deployment may not provide multiple benefits of cloud computing, but at times, is utilized for its capability to give reserved resources. It has chosen similarities in certain deployments models as legacy IT structure while utilizing application handling and virtualization expertise to enhance the resource benefits.

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