> I had always planned on using only SL addresses within the enterprise, and > then NATing those SLs to public addresses at the ISP. we can't stop you from screwing up your network. just don't expect us to endorse such practices, and don't expect apps to work across your network boundary. > That way, none of the > enterprise network is polluted with (frequently changing) global > addresses -- just like common IPv4 practice today. and the network is dysfunctional, just like common IPv4 practice today.