UPDATE 10:45 p.m. ET: Facebook on Monday blamed a “faulty configuration change” for today’s outage.
“Our engineering teams have learned that configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues that interrupted this communication,” says Santosh Janardhan, Facebook’s VP of Infrastructure. “This disruption to network traffic had a cascading effect on the way our data centers communicate, bringing our services to a halt.”
There is “no evidence that user data was compromised as a result of this downtime,” he says.
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