What I mean is that IP exists so we can locate other computers on the internet, right? But if you and I are connected to the same router we don't need the global IP network, we can have our own local ...
You will need a physical link between the two routers otherwise you have another operator in the middle.
Regardless, people in your house, using your router, need to trust you. Which is not ideal.
Regardless, people in your house, using your router, need to trust you. Which is not ideal.