| Our recursive DNS can't handle the extra load |
There's no ROI on deploying IPv6 |
Those stupid Privacy Extension addresses keep changing |
Did you mean IPTV? |
IPv6 is a security risk |
| Github doesn't support IPv6 |
We would have to rewrite our entire application to support it |
Larger headers are less efficient |
IPv6 is slower than IPv4 |
None of our customers want it |
| We've still got plenty of IPv4 |
I don't want to lose the security provided by NAT |
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It'll break our GeoIP |
IPv6 is just a fad |
| There's no certification track |
Our Lawful Intercept doesn't support IPv6 yet |
Android doesn't support DHCPv6 |
What do you mean I have to wrap an IP in square brackets? |
Too many people have broken IPv6 stacks |
| It's on our roadmap |
IPv6 addresses are too long to remember |
No one else has deployed it |
What's IPv6? |
IPv6 just isn't a priority |
Made with excuses from