this is basically how matrix's federation works. every homeserver has its own copy of any room that any of its users are on, regardless of what server owns/crea

this is basically how matrix's federation works. every homeserver has its own copy of any room that any of its users are on, regardless of what server owns/created the room originally, they all keep in sync with each other to merge messages in from the other homeservers. you can also create local-only, homeserver-specific channels if desired.