17. The system of claim 14 : the name hierarchy comprising at least a portion of a file system; and the reference comprising a reference file stored at a location of the file system referencing the resource stored in the resource set.
18. The system of claim 17 : the device comprising a first server in a server set including a second server; and the instructions configured to: upon storing the reference file in the file system, send the reference file to the second server; and upon receiving from the second server a second reference file to be stored at a second location in the file system, store the second reference file at the second location in the file system.