I know abut Netflix work, and even some of this work trickled down to base FreeBSD (and opensource), but is still very fragile, not completely open-sourced and

I know abut Netflix work, and even some of this work trickled down to base FreeBSD (and opensource), but is still very fragile, not completely open-sourced and require very special hardware (1 or 2 models of specific NICs with specific versions of firmware) to work.