Synthetic Availability Checks
Uptime monitoring uses synthetic checkers that ping server endpoints at regular intervals. A clean response returns status 200 OK within timeout thresholds. If checks return 5xx errors or network timeouts, the monitor logs an incident.
Filtering False Alarms
Transient packet loss or localized DNS routing failures can trigger false downtime alerts. To mitigate this, require confirmation checks from multiple separate global geographic locations before alerting on-call engineers.