> I'm thinking people connecting iPads and lightbulbs to some CPE, not data centers. It's that, sure. But it's also Comcast's internal infrastructure devices.

> I'm thinking people connecting iPads and lightbulbs to some CPE, not data centers. It's that, sure. But it's also Comcast's internal infrastructure devices. Comcast went all-IPv6 on their internal network because they have so very many things that they need to directly address... _internally_... that IPv4 wasn't cutting it anymore. Even if they didn't provide IPv6 service to their end-users, they'd still be using IPv6 on their internal network.