THE LIVING ARCHIVE

From punched cards to autonomous collaborators: the ideas, people, languages and systems that taught machines to follow—and increasingly interpret—human intent.

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Collection

Tag: 911

CenturyLink’s 2014 911 Outage: The Call Counter That Stopped Emergency Calls

A software counter in a next-generation 911 call-routing platform reached its maximum value and stopped assigning identifiers, blocking thousands of emergency calls across multiple states.

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T-Mobile’s 2020 Nationwide Outage: Routing, Capacity, and a Cascading Network Failure

T-Mobile's June 2020 outage began with equipment trouble and worsened through routing misconfiguration, overload and a latent software flaw, disrupting calls nationwide including tens of thousands of 911 attempts.

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