AWS uncertain about true cause of outage

"Leaked screenshots show Amazon blaming the big AWS outage on sudden, surging traffic from an 'unknown source' that overwhelmed parts of its cloud network"

https://www.businessinsider.com/amazon-aws-outage-cause-prob...

"Thousand Eyes AWS Outage Analysis: December 7, 2021"

https://news.ycombinator.com/item?id=29483487