Hypothetically, it be possible to achieve the same thing with a shared tailscale network, right? But can you kinda "federate" tailnets like this? So independen

Hypothetically, it be possible to achieve the same thing with a shared tailscale network, right? But can you kinda "federate" tailnets like this? So independent tailnets owned and run by individuals, but networked together into an inter-tailnet? You miss the fun and games of running your own DNS infra etc I guess.