This is a chicken and egg problem. Internet have become super large(the irony) and doing a upgrade to it is hard as we need support of all stakeholders. The p

This is a chicken and egg problem. Internet have become super large(the irony) and doing a upgrade to it is hard as we need support of all stakeholders. The problem is some of them are not supporting IPv6 deployment. There will be a time when they will be forced to upgrade.