On Sat, Nov 30, 2019 at 5:55 PM Valdis Klētnieks <valdis.kletnieks@vt.edu> wrote:
On Sat, 30 Nov 2019 13:47:36 -0800, Matthew Kaufman said:

> User apps prefer IPv6, Netflix stops, users complain

And fallback to IPv4 fails to happen, why, exactly?
Because of the layer at which failure happens. You get connected successfully to a Netflix that tells you that reaching it via tunnels is prohibited by their terms of service.