[nextweek2]

You are under pressure now.

Carrier grade NAT is a nightmare that ISP's will start going down from now. It will be offered as a cheaper option but in fact it breaks how the Internet was designed to work. Think about your external IP being a 10.x.x.x address and you sharing a public address with 100,000 other subscribers. Thinking about how P2P connections like video conferencing would work.

Push for your servers to have IPv6 by default, push for IPv6 at your work place, push for your DNS provider to support IPv6. Always ask any service providers their IPv6 status.