January 15, 1990: The AT&T Reboot
Day in Tech History · 9 minutes ·

January 15, 1990: The AT&T Reboot


1990 – AT&T suffers the oddest outage nationwide. A switch in New York crashed, then rebooted. This caused the other switches linked to the New York switch to also reboot. The cascade continued on until all 114 switches were rebooting on 6 second intervals. The continued failure lasted for 9 hours, leaving 60,000 customers without long […]

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