Comparisons

SLA vs SLO vs SLI

Venn Diagrams · made in Skemio

Venn diagram mapping Service Level Agreements, Service Level Objectives, and Service Level Indicators.
Venn diagram mapping Service Level Agreements, Service Level Objectives, and Service Level Indicators.

What it shows

  • SLIs measure actual real-time telemetry like latency and error rates.
  • SLOs define internal reliability targets that guide engineering trade-offs.
  • SLAs specify legal and financial penalties when services breach promises.

The takeaway

SLIs are what you measure, SLOs are what you aim for, and SLAs are what you pay for missing.

More venn diagrams