We've still got plenty of IPv4 | Our DDOS mitigation platform can't monitor IPv6 | It'll make it easier for the government to track me | IPv6 just isn't a priority | We'll deploy IPv6 right after we deploy DNSSEC |
It's too complicated | IPv6 isn't supported by OVH Cloud | I don't want to expose my MAC address | It's on our roadmap | What do you mean I have to wrap an IP in square brackets? |
We don't need that many addresses | Azure doesn't support it | End users don't care about IPv6 | It's not mature enough | |
We would have to rewrite our entire application to support it | Our recursive DNS can't handle the extra load | IPv6 is slower than IPv4 | No one else has deployed it | Android doesn't support DHCPv6 |
Our vendor doesn't support it | None of our customers want it | Vendor bugs | We don't have a lab to test it | IPv6 is a security risk |