On Sat, 27 Jun 2015, Ca By wrote:
T-Mobile US large enough ?http://www.internetsociety.org/deploy360/resources/case-study-t-mobile-us-goes-ipv6-only-using-464xlat/ I hear they have more ipv6-only subscribers than ipv4
By "IPv6 only" I believe he meant "stop offering IPv4 reachability to customers". Since you use 464XLAT and NAT64, you still offer IPv4 access even though it's done over IPv6 to the customer.
-- Mikael Abrahamsson email: swm...@swm.pp.se