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Cloud Computing Introduction, Types and Solutions

Introduction:

Cloud computing is an internet based computing which relies on sharing different computing resources in place of having personal devices or local network to handle software applications. It is similar to grid computing in which unused processing cycle of all computers in the same network are harnesses to provide solutions too intensive for any single computer. In cloud computing a wide range of services such as storage, servers and software applications are transferred to an organizations devices and computers via internet. Cloud computing uses the networks of server typically running low-cost consumer personal computer technology with specialized connections to transfer data processing chores across them. Virtualization is used to increase the power of cloud computing. The cloud computing services are divided into three categories: Infrastructure as a service (IaaS), Software as a service (SaaS) and Platform as a service (PaaS). Below we will discuss about all these services in detail.

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Infrastructure as a Service, abbreviated as IaaS, which is a service that contains the basic building blocks for cloud computing and provide access to computers, networking features and data storage space. It offers a high level of flexibility and control over IT resources and almost similar to existing and familiar IT resources. Some IaaS providers are:

Software as a Service, abbreviated as SaaS provides a complete cloud product that is run and managed by the service provider itself. It is also referred as end-user software applications. One needs not to worry about how the inside architecture is managed or the service is maintained. You only need to think about how you will be going to use that particular software module. An example of SaaS service is web based email system in which you can easily send and receive emails without maintaining email product, servers and OS that the email system is running on. The popular SaaS service providers include:

Platform as a service, abbreviated as PaaS help organizations to manage the inside infrastructure and allow you to concentrate on management and deployment of your software applications. It will help to increase productivity as you need not to worry about capacity planning, patching, application maintenance, resource procurement or any other undifferentiated heavy lifting involved in processing your software application. The PaaS service providers are:

Desktop as a service is abbreviated as DaaS, which is a cloud service where the back end of a virtual desktop is hosted by a DaaS service provider. Example of DaaS service providers are:

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What is Cloud Computing?