| I don't want to expose my MAC address |
Our Lawful Intercept doesn't support IPv6 yet |
Android doesn't support DHCPv6 |
We can use RFC6598 |
| It's too complicated |
Can't we just buy more IPv4 addresses? |
Azure doesn't support it |
We don't have a lab to test it |
| None of our customers want it |
We have no roadmap for native IPv6 as we rolled out 6RD. |
IPv6 just isn't a priority |
Our recursive DNS can't handle the extra load |
| We would have to rewrite our entire application to support it |
There's no ROI on deploying IPv6 |
I don't want to lose the security provided by NAT |
IPv6 addresses are too long to remember |
Made with excuses from 
IPv6 Excuse Bingo