"We will look to provide customers with better tools to create multi-AZ applications that can support the loss of an entire Availability Zone without impacting

"We will look to provide customers with better tools to create multi-AZ applications that can support the loss of an entire Availability Zone without impacting application availability. We know we need to help customers design their application logic using common design patterns. In this event, some customers were seriously impacted, and yet others had resources that were impacted but saw nearly no impact on their applications."