Software delivery & architecture · Working
Service-level indicator
Also called: SLI
ELI5
The actual number used to measure reliability.
Used in conversation
“Successful request rate is the service-level indicator.”
Definition
A measured value used to assess service performance, such as successful requests or latency.
Here “Service-level indicator” means: A measured value used to assess service performance, such as successful requests or latency.
Pitch context
You will see “Service-level indicator” in product strategy decks, roadmaps, experiments and architecture reviews when the discussion reaches software delivery & architecture.
Why it matters: It helps a reader interpret software delivery & architecture without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 2
Direct term-level sources and supporting source families.
- National Institute of Standards and Technology — Computer Security Resource Center GlossaryDirect source · primary · checked 2026-08-16
- Scrum Guides — The Scrum Guide — official current versionSupporting source family · primary · checked 2026-08-16