server login

[xiaochou]

Every time you log in to a known server map, you need to download it again.
I have a server with a small bandwidth . Every time I log in to the server, the map needs to be downloaded again, although I save it locally.
Why not download the new content separately，On the basis of the old map

[PunPun]

To make this work the server would need to keep copies of all saves all clients make and make a diff file when the player joins back based on what save they have. This diff file would not be that much smaller than a regular save and the amount of saves the server would need to keep would be massive. Basically not worth the effort.