Verified80% confidenceFactExact time
99.999% availability means no more than 5.26 minutes of downtime per year.
6
Sources
80%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
Taiganet与WS4000模拟器：工业控制系统的逆向重生
hackernewshackernews7/6/2026
Related Claims
Unverified99.9% availability corresponds to approximately 8.7 hours of downtime per year, and 99.99% corresponds to approximately 52 minutes.75% similarUnverifiedA success rate of 99.95% corresponds to an allowable downtime of approximately 21.9 minutes per month, which falls within the standard commercial service-level SLA.75% similarUnverified99.74% monthly availability is roughly equivalent to 1 hour 52 minutes of unavailability per month; 99.47% is roughly equivalent to 3 hours 49 minutes of unavailability per month (calculated based on 30 days per month, 43200 minutes).74% similarUnverifiedThe five-nines availability standard for data centers requires that annual downtime not exceed 5.26 minutes.72% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/203032API
curl https://kongchang.com/api/v1/knowledge/claims/203032MCP
get_claim(id=203032)