Monday, October 8, 2012
types of cloud computing
there are three types of cloud computing
a) A private cloud’s services are aimed at businesses. For example, a company that sells clothing might use cloud storage to keep their financial documents, clothing designs, and sales records backed up. They have their own dedicated computer server or set of servers in a separate building where their information is kept. The cloud storage provider maintains these servers, keeps them safe, and manages the clothing company’s files.
b) The public cloud, on the other hand, is aimed more towards everyday people. The cloud storage service provider makes their storage service available to anyone or the general public over the Internet. People use the public cloud to back up their personal documents, video, photos, and other files. Their information is kept private, but the servers are shared by a large number of users. Public cloud services are sometimes offered free and can also be offered on a pay-per-usage or monthly basis like the private cloud. And like the private cloud, users may have to pay for their usage according to the amount of bandwidth or storage space used.
c)Hybrid cloud:
is a composition of two or more clouds (private, community or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models.
By utilizing "hybrid cloud" architecture, companies and individuals are able to obtain degrees of fault tolerance combined with locally immediate usability without dependency on internet connectivity. Hybrid cloud architecture requires both on-premises resources and off-site (remote) server-based cloud infrastructure.
Hybrid clouds lack the flexibility, security and certainty of in-house applications. Hybrid cloud provides the flexibility of in house applications with the fault tolerance and scalability of cloud based services.
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