I don't have first-hand knowledge of this tech (if i did i probably wouldn't be able to comment) as i haven't heard anything about this during my time there, bu

I don't have first-hand knowledge of this tech (if i did i probably wouldn't be able to comment) as i haven't heard anything about this during my time there, but if I had to guess, it's probably a silo'ed GCP environment on silo'ed Borg cell on silo'ed turtles all the way down to physical hardware and facilities.