@flameeyes @lanodan I think your claims are making a lot of assumptions about what you're doing. A web service offered to arbitrary members of the public needs both v4 and v6, and a client device intended to access arbitrary websites still needs both v4 and v6. But application specific devices don't. There's no reason I should want v4 connectivity for a home automation device. There's no reason medical devices in a hospital need v4 addresses. Etc.