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by afrodc_ 1827 days ago
How would you know which one is wrong in this scenario?
2 comments

This reminds me of the adage “ Never go to sea with two chronometers; take one or three” [1] to avoid this exact conundrum

[1] https://en.m.wikipedia.org/wiki/Triple_modular_redundancy#Ch...

Incidentally, I learned the hard way why you never run two instances of Consul (or any Raft powered stack), only 1 or 3. All sorts of wacky state can occur.
You have the navigation system as a third ‘sensor’, but in this case the sensor with an abnormal spike could be disregarded