Changes impacting storage are taking place at every layer of the network architecture: Disk drives are continuing on a Moore's law-like cost/capacity curve, yet concurrently we are also seeing the growth of solid-state technology to overcome the inherent performance limitations of mechanical disk; virtualization is changing how architects think about storage, as we now have operating systems running entirely in user space within a virtual machine; and applications are choosing HTTP over FC as the preferred storage protocol.

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