@Gina pretty impractical on YT now. The ads are basically, to any of your network gear, indistinguishable from the stream you requested. DNS trickery is no longer sufficient. I would have said impossible but somewhere someone is surely doing something likely involving real-time decoding and frame analysis to drop frames that are ads before encoding it all back and passing through an ad-free stream. Gonna guess that takes a touch more power than most embedded SoCs offer yet.