The number one core tenet of Iron.io is IronClad Reliability so we put a lot of time and effort into making our services reliable. It seems to have paid off. Our uptime for IronMQ was 100% for the past 30 days and 99.98% for the past 6 months.
For comparison, "Gmail uptime is in the range of 99.99 percent – meaning the average user experiences about four minutes of downtime per month – and Amazon targets 99.95 percent for AWS." [source]
Note: some companies do not include scheduled maintenance in their uptime numbers so if they have scheduled downtime it doesn't count. We never do scheduled maintenance so these numbers are real.
Past 30 Days: 100% Uptime
|IronMQ - Past 30 Days|
Past 6 Months: 99.98% Uptime
|IronMQ - 6 Months|
Past 1 Year: 99.93% Uptime
|IronMQ - Past year|
Reliability and the Cloud
If you've been scared of using the cloud, we hope these numbers and the numbers of our peers will make you reconsider. There's a good article written by +Dave Girouard, former President of Enterprise for Google, called "The delusions that companies have about the cloud", that talks about some of the false fears of using the cloud.
While we strive for lots of 9's, the past does not represent the future so things could change, but we'll do our best to keep getting better. Knock on wood.