WooCommerce and OneDrive for Business Integration

- Do files stored on the OneDrive only occupy cloud space or do they also have to be transfered to the WebServer's SSD storage?

- Do such downloads simultaneously require upload and download bandwidth of the WebServer controlling the transfer?

- Does the Webserver establish a secure connection to the OneDrive when such a file is requested in order to stream the file to the server and from there to the customer?
- Are both streams running simultaneously or does the customer have to wait for the Webserver's upload first before the customer's download can begin?
- If video files are being streamed, can a customer start playback before his download is complete?

- Are there file size limits in the plugin? - Do you know, whether WebServer hosters like to limit such transfers? If no local storage is needed and if the plugin doesn't require huge buffers, there should not be any limiting factor except the network bandwidth.

- Are download links to external cloud storage which are provided to the customer by WooCommerce secure in the sense that forwarding or publishing such links would not allow others to download that file without paying?

- You say, files are downloaded to the webserver first and then, as a second step, streamed to the customer. But that means these files occupy SSD space on the webserver, too, after someone has bought them. Will local copies accumulate therefore?
- Do I have to delete such local copies manually on a regular basis or are they automatically deleted after the purchase or after expiry of the download link?

- To which of the webserver's folders these local copies will be sent?

- From a customer's point of view, when they click the download link from WooCommerce, don't they get the impression their download hasn't started properly if their progress bar doesn't show any activity until the whole file - which can be a GB or so - has been downloaded from the cloud?
- Does this mean that video preview from a cloud file cannot be offered to visitors without synchronizing the complete TB of cloud media with the webservers local SSD?

Yes, that helps a lot except for the last point. You did not answer my question. Of course we will try to avoid very big files but typical videos are between 200 and 800MB.

My first question was whether the download starts within seconds after the user presses the download button. My original assumption was that users will have to wait for the completion of the cloud download before their own download from the server can start. According to your answers this is not the case if we are using OneDrive for Business. You said, with OneDrive Business user downloads will be directly from the OneDrive. For me that means latency is predominatly determined by the OneDrive and not by the size of the file. Is that true?

If the actual source of a purchased video is the cloud space and not a local copy from the webserver then customers could immediately preview that video instead of first downloading it completely in order to play it afterwards. Is it therefore true that users could preview video files regardless of the file size if the cloud storage is OneDrive for Business?