Originally Posted By: DWallach
For better or for worse, one of the huge problems with the way the modern Internet is laid out is that IPv4 + NATs mean that the ISPs cannot readily make their own policies for what's going on inside your house. In a world with IPv6 and no NATs, then things would be better.


A lot of us see the lack of NAT with IPv6 as one very good reason not to use it. More specifically, IPv6 was designed for absolute tracking of everything and everyone on the internet. Eg. Cookies on steriods. Just say no.