What is the difference between Amazon SNS and Amazon SQS?

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I am confused as to in which situation should i use Amazon SNS and when to use Amazon SQS. And most of the times both are coupled. So what is the exact difference between Amazon SNS and Amazon SQS?
Jul 26, 2018 in AWS by datageek
• 2,450 points
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1 answer to this question.

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  • SNS is a distributed publish-subscribe system and the messages are pushed to subscribers as and when they are sent by publishers to SNS
  • SQS is a distributed queuing system and the messages are NOT pushed to receivers. Receivers have to poll SQS to receive messages
  • Messages can't be received by multiple receivers at the same time
answered Jul 30, 2018 by Mrunal
• 680 points

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