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Blame Wi-Fi drivers for printer (mDNS) discovery issues
Have you ever heard how unreliable printer connection over Wi-Fi is, or maybe faced the issue yourself? The printer works most of the time, but when you need it most, it stops?.. Or maybe your phone could not find a Chromecast on your network even if it was working 10 minutes ago? I spent some time debugging mysterious issues with auto-discovery protocols over Wi-Fi last year.
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