How much downtime does 99.9% allow?

Service Level Helper turns an SLO or SLA into an error budget for every period, finds how often you need to probe to stay inside it, and works back from downtime to availability.

Service level A percentage like 99.95, or a number of nines like 4.

Examples are AWS SLA commitments for monthly uptime.

Hours per day Use fewer than 24 for a service that only has to be up during business hours.

Add probe frequency