This slideshow by an NSA dude seems to go into this, from 2016. https://datatracker.ietf.org/meeting/96/materials/slides-96-saag-1/ https://datatracker.ietf.or

This slideshow by an NSA dude seems to go into this, from 2016. https://datatracker.ietf.org/meeting/96/materials/slides-96-saag-1/ https://datatracker.ietf.org/meeting/96/materials/slides-96-...