@werefreeatlast I do this with yggdrasil. Every yggdrasil host gets its own unique private IPv6 address (routeable only to other yggdrasil hosts). As long as you have a single yggdrasil host that's located in public (I use a VPS for this), you can reach any of the yggdrasil hosts from any of the other ones via their IPv6 address. I then map those addresses with DNS, so I don't have to ever type them.