Most cloud services have SLAs of 99.99 themselves, so it's not entirely realistic to go higher than that.
The good news is that you probably don't need 99.99. Read "Embracing Risk": https://sre.google/sre-book/embracing-risk/
The good news is that you probably don't need 99.99. Read "Embracing Risk": https://sre.google/sre-book/embracing-risk/
Well „need“ of course it a bit ambiguous. „It would make our life substantially easier if we had 99.99%“ would pretty much summarize it :)