Cloud Computing is one type of computing technology where client connect the server through application that run on personal computer and other devices like smart phones tablets etc. You may think this is what traditional client-server model do. But the difference is rather than connecting the local database you are going to access Cloud Database that is similar to a centralized database then the computing process may run on one or more computer at the same time to utilizing the resource or data in the cloud database.
So they use the concept of virtualization that is one or more physical servers can be partitioned and configured into multiple independent that is single server as many servers like disk partition all functioning independently and appearing to the user to be a single physical device. Such virtual servers do not physically exist and can therefore be moved around and scaled up or down on the fly without affecting the end user.
The computing resources have become "granular", which provides end user and operator benefits including on-demand self-service, broad access across multiple devices, resource pooling, rapid elasticity and service metering capability.
So they use the concept of virtualization that is one or more physical servers can be partitioned and configured into multiple independent that is single server as many servers like disk partition all functioning independently and appearing to the user to be a single physical device. Such virtual servers do not physically exist and can therefore be moved around and scaled up or down on the fly without affecting the end user.
The computing resources have become "granular", which provides end user and operator benefits including on-demand self-service, broad access across multiple devices, resource pooling, rapid elasticity and service metering capability.
The major models of cloud computing service are known as software as a service, platform as a service, and infrastructure as a service. which we will discuss later. These cloud services may be offered in a public, private or hybrid network.Google, Amazon, IBM, Oracle Cloud, Rackspace, Salesforce, Zoho and Microsoft are some well-known cloud vendors.
The cloud computing allows companies to reduce infrastructure costs, and focus on projects that differentiate their businesses instead of infrastructure.Cloud providers typically use a "pay as you go" model. This can lead to unexpectedly high charges if administrators do not adapt to the cloud pricing model.These days SME should understand the advantage of cloud computing and develop the organization to achive it goal.
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