| We would have to rewrite our entire application to support it |
We forgot to include IPv6 in our last RFP |
IPv6 addresses are too long to remember |
Our Dynamic DNS doesn't support it |
Our DDOS mitigation platform can't monitor IPv6 |
| Azure doesn't support it |
No one else has deployed it |
We have no roadmap for native IPv6 as we rolled out 6RD. |
Larger headers are less efficient |
It's too complicated |
| Our business intelligence team can't even parse IPv4 logfiles |
Vendor bugs |
 |
It'll break our GeoIP |
We can use RFC6598 |
| My transit provider doesn't support IPv6 |
Github doesn't support IPv6 |
Hex is hard |
End users don't care about IPv6 |
It's not mature enough |
| There's no certification track |
What do you mean I have to wrap an IP in square brackets? |
Can't we just buy more IPv4 addresses? |
Too many people have broken IPv6 stacks |
Android doesn't support DHCPv6 |
Made with excuses from