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Rich Castagna, Editorial DirectorThe external storage can be a stand-alone storage box that is resource-shared with other servers that may use it for block access or may be connected via the SAN.
In any case, the file serving function is the same, and it appears to clients accessing it as another file system that can be mounted or shared. They cannot tell the difference between a gateway or a standard NAS device.
This was first published in June 2005