| Azure doesn't support it |
It's not supported by Google Compute |
We don't need that many addresses |
Our Dynamic DNS doesn't support it |
We would have to rewrite our entire application to support it |
| Android doesn't support DHCPv6 |
We don't have a lab to test it |
End users don't care about IPv6 |
It's too hard to support |
Our business intelligence team can't even parse IPv4 logfiles |
| Our DDOS mitigation platform can't monitor IPv6 |
Too many people have broken IPv6 stacks |
 |
Hex is hard |
It's on our roadmap |
| Those stupid Privacy Extension addresses keep changing |
We've still got plenty of IPv4 |
AWS doesn't support it |
We can use RFC6598 |
Vendor bugs |
| IPv6 is slower than IPv4 |
No one else has deployed it |
Larger headers are less efficient |
It's too complicated |
I don't want to lose the security provided by NAT |
Made with excuses from