Then, have the ISP do some magic* to make IPv4 visible. * I'll leave it as an exercise to those more sober and less tired to solve that problem. But I guess it'd mean some clever DNS capture/re-map for all locations which don't have AAAA addresses, remap them to a local 6 to 4 "proxy".
I think you mean DNS64 and NAT64. http://tools.ietf.org/html/rfc6146 http://en.wikipedia.org/wiki/NAT64 Rob
