Quick Tip - Understanding uptime and downtime linked to any Cloud SLA numbers
@20aman Dec 28, 2021When you are in any conversation related to the Cloud SLAs you will hear numbers like the SLA is 99.9% or 99.99% or more. What are those numbers and how they translate into uptime and downtime in a year? Let's take a closer look to understand these details.
99.9% uptime SLA
Let's start with 99.9% SLA i.e. three nines. SLA level of 99.9% uptime/availability means that you can have up to the following periods of allowed downtime or unavailability.
- Daily: 1m 26s
- Weekly: 10m 4s
- Monthly: 43m 49s
- Quarterly: 2h 11m 29s
- Yearly: 8h 45m 56s
99.99% uptime SLA
SLA level of 99.99% i.e. four nines uptime/availability means that you can have up to the following periods of allowed downtime or unavailability.
- Daily: 8s
- Weekly: 1m 0s
- Monthly: 4m 22s
- Quarterly: 13m 8s
- Yearly: 52m 35s
Find uptime and downtime for any SLA
Use various online SLA calculators to determine the numbers easily for yourself. One such calculator is provided below (just as a reference): https://uptime.is/
This is very simple tip, but helps you in any cloud related SLA conversation to have better understanding of the related numbers.