Transferring data from one remote system to another under the control of a local system is remote uploading.
Remote uploading is used by some online file hosting services. It is also used when the local computer has a slow connection to the remote systems, but they have a fast connection between them. Without remote uploading functionality, the data would have to first be download to local host and then uploaded to the remote file hosting server, both times over slow connections.
Generally accepted use of the term "upload"
To "upload" something is generally understood to mean, "putting something on the internet", for example, uploading photographs to facebook. Contributions to online-archives may also be referred to as "uploads", for example books, audit reports, fax transmission reports, etc..
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