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Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems by Marc Farley

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SAN and NAS as Storing and Filing Applications

The two major product classes in storage networking are SAN and NAS. Analyzing these technologies within the system of connecting, storing, and filing, they can be easily differentiated by stating the following:

  • SAN is the application of storing over a network.

  • NAS is the application of filing over a network.

SANs are used to convey storing commands and data over a network, while NAS conveys filing commands.

NOTE

When storage networking was first getting started, there was enormous confusion over the merits of SAN and NAS: Was one inherently superior to the other?, Would one win out in the market in the long run?, and all sorts of other meandering speculations. The whole thing wasted an obnoxious ...

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