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Published: 16 Oct 2012

Grid computing--also called computing on demand--has the potential to change the computing model we've used for more than a half of a century. Computers have essentially been self-contained systems with local memory, I/O and storage. This model has been expanded and refined over the years while remaining essentially unchanged. Of course, there have been numerous computer revolutions in the last five decades: networked computers on LANs; two-tier computing or client-server computing, which separates the application from the data; three-tier computing that separates the user interface from the applications and the data such as Java. And the short list of giant leaps in computing would certainly need to include the Internet, WWW, SANs and high- performance or massively parallel computers. Yet in spite of these admittedly significant advances, the basic model remained the same. Grid computing is the first real change to the model that leverages these advances. For the first time, users will be able to get the computing they need, on demand, without having to ... Access >>>

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