> Yeah, what about the hundreds of carriers that don't yet support IPv6? That's like focusing on supporting Internet Explorer 8. At some point IPv4 will become

> Yeah, what about the hundreds of carriers that don't yet support IPv6? That's like focusing on supporting Internet Explorer 8. At some point IPv4 will become the legacy protocol and supporting it will be annoying and expensive. That day maybe not be today, but switching protocols is not always trivial, and you should start yesterday.