Is the Backup of a Node (and its contents) reqired?

[BrightSilence]

False alarm everyone. I verified in the code that node selection is done in the right way and every /24 subnet receives the same amount of data. Differences must have come from the temporary proxy setup.

More info in this post:

IP Filtering, Deep Dive

I can confirm that @Alexey must be correct that this was just because of the proxies used. I had a little dig through the code to find the actual code that’s responsible for selecting nodes. You can find it here: Bottom line; the code first picks one random node per /24 for all nodes with a known IP, and then picks as many nodes as needed for the transfer from that list. The result is no doubt that every /24 subnet will be picked at the same rate. I guess we got all excited over nothing. …