My transit provider doesn't support IPv6 | IPv6 just isn't a priority | NAT444 is fine | Can't we just buy more IPv4 addresses? | AWS doesn't support it |
It's too complicated | Our vendor doesn't support it | There's no certification track | We don't have a lab to test it | We don't need that many addresses |
I don't want to lose the security provided by NAT | Our business intelligence team can't even parse IPv4 logfiles | It's not supported by Google Compute | No one else has deployed it | |
Azure doesn't support it | We forgot to include IPv6 in our last RFP | IPv6 is a security risk | We'll deploy IPv6 right after we deploy DNSSEC | IPv6 isn't supported by OVH Cloud |
Too many people have broken IPv6 stacks | Larger headers are less efficient | We would have to rewrite our entire application to support it | What do you mean I have to wrap an IP in square brackets? | We've still got plenty of IPv4 |