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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Tag: cascading-failure

AT&T’s 1990 Long-Distance Collapse: The Switch Bug That Propagated Across a Network

A subtle recovery-code defect in AT&T's 4ESS switching software turned a local reset into a nationwide cascade, showing how identical code can turn redundancy into correlated failure.

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