AWS SQS Major Update: FIFO Queues!
Category : Events
SQS was the first web service AWS offered – back in 2004. We have gotten used to the CAP theorem, working with SQS queues that might deliver messages more than once, and perhaps not in the order they arrived.
But now there is a really major addition to the SQS service offering; FIFO queues. Guaranteed one-time deliver and in the correct order! Just take a look I took from the AWS Console (in Ohio) that clarified the differences really well: