[TUHS] Windows roots and Unix influence (was Re: Happy birthday, Ken Thompson!)
lyndon at orthanc.ca
Tue Feb 6 09:18:09 AEST 2018
> Save design would have the plane controls on a completely air-gapped
> network from the entertainment stuff. I was told that they don?t,
> because the captain needs to be able to stop the entertainment system
> during an announcement. I could build them a very simple gateway that
> transmits UDP packets in one direction only, that would meet this, and
> related needs.
This doesn't need a network, just a pair of GPIO pins -- an output
pin on the avionics system, and an input pin on the entertainment system.
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