| Our vendor doesn't support it |
We would have to rewrite our entire application to support it |
Azure doesn't support it |
AWS doesn't support it |
It's not mature enough |
| Our recursive DNS can't handle the extra load |
We'll deploy IPv6 right after we deploy DNSSEC |
It'll break our GeoIP |
We don't have a lab to test it |
What do you mean I have to wrap an IP in square brackets? |
| IPv6 addresses are too long to remember |
It's too hard to support |
 |
We can use RFC6598 |
Our DDOS mitigation platform can't monitor IPv6 |
| NAT444 is fine |
It'll make it easier for the government to track me |
None of our customers want it |
My transit provider doesn't support IPv6 |
I don't want to lose the security provided by NAT |
| We've still got plenty of IPv4 |
It's on our roadmap |
IPv6 is just a fad |
Our Dynamic DNS doesn't support it |
Android doesn't support DHCPv6 |
Made with excuses from