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US halts flights at busy East Coast airports, says fiber line cut

239 points · 150 comments · allanbreyes

  1. atonse · · focus · HN ↗
    I don't quite understand this sort of thing happening. Wasn't the whole point of the internet to be a self-healing network where we route around severed cables, etc?

    Or is it that these ATC networks are their own air-gapped network with less redundancy? That just doesn't add up. Or maybe there was only one line going to the ATC, with no multiple "ISPs" like a datacenter would have?

    1. readthenotes1 · · focus · HN ↗
      Do you want air traffic control to be on the general internet?

      That seems like an extremely foolhardy thing to do.

      1. ssl-3 · · focus · HN ↗
        As a tertiary backup: Yeah, maybe I do want that.

        It seems like it would present a less-chaotic solution than that provided by having no data communications at all.

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