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WIKI Cloud computing is a technology that uses the internet and central remote servers to maintain data and applications. Cloud computing allows consumers and businesses to use applications without installation and access their personal files at any computer with internet access. This technology allows for much more efficient computing by centralizing storage, memory, processing and bandwidth. A simple example of cloud computing is Yahoo email or Gmail etc. You dont need a software or a server to use them. All a consumer would need is just an internet connection and you can start sending emails. The server and email management software is all on the cloud ( internet) and is totally managed by the cloud service provider Yahoo , Google etc. The consumer gets to use the software alone and enjoy the benefits. The analogy is , 'If you only need milk , would you buy a cow ?' All the users or consumers need is to get the benefits of using the software or hardware of the computer like sending emails etc. Just to get this benefit (milk) why should a consumer buy a (cow) software /hardware ?
Cloud computing is broken down into three segments: "applications," "platforms," and "infrastructure." Each segment serves a different purpose and offers different products for businesses and individuals around the world. In June 2009, a study conducted by VersionOne found that 41% of senior IT professionals actually don't know what cloud computing is and two-thirds of senior finance professionals are confused by the concept,[1] highlighting the young nature of the technology. In Sept 2009, an Aberdeen Group study found that disciplined companies achieved on average an 18% reduction in their IT budget from cloud computing and a 16% reduction in data center power costs.[2]
Cloud Computing Deployment Models
Public Cloud
Public cloud or external cloud describes cloud computing in the traditional mainstream sense, whereby resources are dynamically provisioned on a fine-grained, self-service basis over the Internet, via web applications/web services, from an off-site third-party provider who bills on a fine-grained utility computing basis. In simple, For use by multiple organizations on a shared basis and hosted and managed by a third party service provider.it is very useful. Its free of cost.
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Community Cloud
A community cloud may be established where several organizations have similar requirements and seek to share infrastructure so as to realize some of the benefits of cloud computing. The costs are spread over fewer users than a public cloud (but more than a single tenant). This option offers a higher level of privacy, security, and/or policy compliance. In addition, it can be economically attractive as the resources (storage, workstations) utilized and shared in the community are already exploited and have reached their return of investment. Examples of community clouds include Google's Web App hosting service.
It was dark when I woke. This is a ray of sunshine.
Um, are you really just giving this info out for nothing?
What does a Shift Towards Cloud Computing Mean?
A paradigm shift to cloud computing will affect many different sub-categories in computer industry such as software companies, internet service providers (ISPs) and hardware manufacturers. While it is relatively easy to see how the main software and internet companies will be affected by such a shift, it is more difficult to predict how companies in the internet and hardware sectors will be affected.
Who Gains?
- Consulting/Software/Hardware and Services companies that could gain from a shift towards cloud computing include:
- Software Producers that could gain from a shift towards cloud computing include:
- Internet-based companies that could gain from a shift towards cloud computing include:
- Internet Infrastructure providers that could gain from a shift towards cloud computing include:
- Consulting companies that could gain from a shift towards cloud computing include:
- Healthcare providers that have embarked their solutions onto the clouds include:
Who Loses Out?
- Traditional software producers that could have some catching up to do if cloud computing ultimately wins out include:
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