> Plus, some mobile networks are taking the step to run IPv6-only to simplify network operations and reduce costs. I think this has also already happened. You

> Plus, some mobile networks are taking the step to run IPv6-only to simplify network operations and reduce costs. I think this has also already happened. You don't really notice it as a user, because the phone itself can act as a 4-to-6 translator (similar to how DS-Lite in DOCSIS transports CG-NATted v4 traffic in v6) for both native apps doing incompatible things with literal v4 addresses and tethering clients.