If they start banning the protocol from routers, we can tunnel it through other protocols. You can push anything you want through an HTTPS link. Good luck banning that protocol.
Or we can do the wireless-mesh thing. There are a lot of people working on mesh-based peer to peer routing layers and DNS. Wish I could remember what the projects were called...
[1] It's a rather romanticized attachment, that originally hinged on people one-day realizing that having all your data primarily on other people's computers probably isn't a great idea.
[2] Though that, too, triggers appealingly romanticized notions of 'place', 'dialect' and 'local culture'. Which is to say: it would all make for great cyberpunk fiction atmosphere; I'm just pretty sure it'd still suck compared to the current state of affairs.
I imagine we can just bounce VHF off the sky or something. People solve harder problems every day.
Also, never underestimate the bandwidth of a hard disk in the mail :)