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    so basically, to implement something like push notification messages, it is recommended to use SNS and SQS so the pushes with sns will be queued until the user is only to retrieve them from the queue? Is it possible to create a queue per user? Commented Dec 4, 2012 at 5:20
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    Yeah. You can have as many subscribers as you want for SNS. You can have notifications sent to multiple queues. Commented Dec 4, 2012 at 20:14
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    @NickGinanto Queue per user probably isn't what you want. You'd probably want one queue for each service that then handles user-specific messages. This diagram may help: aws.amazon.com/blogs/aws/… Commented Jul 28, 2015 at 16:27
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    It should probably be noted that as of mid 2018 SQS can trigger lambdas and therefore is more akin to a pubsub in that case. Commented Jul 19, 2019 at 2:37
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    This is by far, the best and simple explanation I came across about the two AWS services. Commented Aug 14, 2019 at 5:31