| We don't have a lab to test it |
It's too hard to support |
Our Lawful Intercept doesn't support IPv6 yet |
We have no roadmap for native IPv6 as we rolled out 6RD. |
None of our customers want it |
| Our recursive DNS can't handle the extra load |
End users don't care about IPv6 |
It's not supported by Google Compute |
IPv6 is slower than IPv4 |
Android doesn't support DHCPv6 |
| We have IPv6, but we just want to keep things simple |
IPv6 just isn't a priority |
 |
IPv6 is just a fad |
It'll break our GeoIP |
| What do you mean I have to wrap an IP in square brackets? |
I don't want to lose the security provided by NAT |
We've still got plenty of IPv4 |
I don't want to expose my MAC address |
Our vendor doesn't support it |
| Vendor bugs |
We would have to rewrite our entire application to support it |
It'll make it easier for the government to track me |
We forgot to include IPv6 in our last RFP |
We can use RFC6598 |
Made with excuses from