>typical OS’s will prefer to use IPv4 over a ULA if both are available? Yep. There's an RFC for this. I guess it would take a decade to be everywhere. The Glo

>typical OS’s will prefer to use IPv4 over a ULA if both are available? Yep. There's an RFC for this. I guess it would take a decade to be everywhere. The Global > Local rule is also unfortunate in some configurations*, but that's more of a result of the end-to-end idea and software not realizing a device can have more than one address... * One example from this thread: https://news.ycombinator.com/item?id=43070290 https://news.ycombinator.com/item?id=43070290