Individual timed operation within a distributed trace.

Collecting logs from multiple systems into one location.

Combining measurements from multiple sources.

Condition that triggers an operational notification.

Metric measuring an aspect of service performance.

Target value for a service-level indicator.

Formal agreement defining expected service performance.

Allowed amount of service unreliability under an SLO.

Average operating time between system failures.

Design using time limits to prevent indefinite waiting.