Amazon's cloud outage rocked the IT world, when its Elastic Compute Cloud (EC2) and Relational Database Service (RDS) went black and knocked several high-profile customer sites offline or caused sluggishness and disruptions.
Amazon is still searching for the root cause of the outage, but suggested that an issue with its Elastic Block Storage (EBS) service in its North Virginia data center is to blame.
The Amazon outage angered customers and called into question the reliability of the cloud while also questioning Amazon's lack of communication around the outage. It prompted cloud solution providers to call Amazon's cloud outage a "cautionary tale" about cloud services.
But it also taught the industry several lessons. Here are 10 lessons learned from Amazon's cloud computing outage.