> Except that an ISP not implementing IPv6 in 2024 is probably also not doing other things that they should, or doing those things poorly. It’s a barometer of capability. You are an ISP. You have finite resources. Which is more important, L4S or IPv6? Pick one. The systems interoperate. Not having IPv6 is not a barometer or capability at all; at most it's a concession to engineering reality.
