Published at LXer:

Earlier this year, Google introduced its Google Drive cloud storage service. Cloud storage is a model of networked on-line storage where data is stored in virtualized pools of storage that third parties generally host. Hosting companies operate large data centers, and people who require hosting buy or lease storage capacity from them. The data-center operators, in the background, virtualize the resources according to their customers' requirements and expose them as storage pools, which the customers themselves can use to store files or data objects. Physically, the resources may span across multiple servers.

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