There's a cost to switching to IPv6 and a cost to buying IPv4 addresses. When the cost to buying IPv4 addresses exceeds the cost of switching, people will switc

There's a cost to switching to IPv6 and a cost to buying IPv4 addresses. When the cost to buying IPv4 addresses exceeds the cost of switching, people will switch. In my humble opinion, there is no problem - we just underestimate how much change costs.