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Chapter 1: Defining Cloud Computing
Synopsis
Cloud services are distinct in its makeup and are certainly different from the more tradition al hosting process. With the cloud service there is the leeway to sell on demand, which is usually by the minute or hour, it is also elastic which means a user can dictate the amount of service needed at any given time and the service is fully managed by the provider.
This would effectively mean the customer would need nothing else but a personal computer and access to the internet. Some of the reasons cloud has become so popular is because this element is able to provide significant innovations in virtualization and distributed computing, while improving access to high speed internet.
The Basics
Configured to be either private of public the cloud is able to switch comfortably between the two while still providing the necessary services on both sides.
The public cloud sell services to anyone on the internet while the private cloud functions more as a proprietary network or data centre that supplies hosted services to a limited group. However the end goal of the cloud would be to provide easy, scalable access to computing resources and IT services.
The infrastructure as a service allow a company to pay for only the capacity needed and to only buy online as required. The platform as a service is defined as a set of software and product development tool that is hosted on the provider’s infrastructure.
The software as a service is where the vendor supplies the hardware infrastructure, the software product and interacts with the user through a front end portal.
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