Capacity, flow & constraints · Core
Uptime
Also called: system uptime, availability time
ELI5
The period or percentage of time a system is operational.
Used in conversation
“How are we defining uptime in this deck?”
Pitch context
You will see “Uptime” in operating plans, procurement packs, supplier reviews and supply-chain reports when the discussion reaches capacity, flow & constraints.
Why it matters: In capacity, flow & constraints, the scope can change what data may be used, who may access it and which controls are required.
Sources & evidence · 5
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
- U.S. Bureau of Labor Statistics — Productivity programmeDirect source · primary · checked 2026-08-16
- Scrum Guides — The Scrum Guide — official current versionSupporting source family · primary · checked 2026-08-16
- U.S. Acquisition.gov — Federal Acquisition Regulation Part 15 — Contracting by NegotiationSupporting source family · primary · checked 2026-08-16
- UK Government — Groceries Supply Code of PracticeSupporting source family · primary · checked 2026-08-16