TCP Retransmits: The Quiet Fire Alarm in Your Metrics
If p99 is drifting and dashboards look normal, retransmits are often the first honest signal.
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2 transmissions tagged #networking
When the Safety Net Eats the Trapeze Artist
The Facebook outage of October 2021 wasn't about BGP. It was about what happens when your safety mechanisms assume partial failure — and you get total failure.