https://www.tutysara.net/tags/aws/Recent content in Aws on TUTYSARA'S SPACEHugoen-EN(c) 2026 tutysaraTue, 07 Sep 2021 00:00:00 +0000https://www.tutysara.net/posts/2021/09/07/sqs-vs-sns-vs-kinesis/Tue, 07 Sep 2021 00:00:00 +0000https://www.tutysara.net/posts/2021/09/07/sqs-vs-sns-vs-kinesis/<table> <thead> <tr> <th>Service</th> <th>Think of it as</th> </tr> </thead> <tbody> <tr> <td><strong>SQS</strong></td> <td>A <strong>durable queue</strong> between producers and consumers</td> </tr> <tr> <td><strong>SNS</strong></td> <td>A <strong>fan-out notification system</strong></td> </tr> <tr> <td><strong>Kinesis</strong></td> <td>A <strong>high-throughput event stream</strong></td> </tr> </tbody> </table> <h2 id="sqs">SQS:</h2> <p>Is ideal when</p> <ul> <li>Producers and consumers run at different speeds</li> <li>You want retry, durability, and backpressure</li> <li>Each message should be processed at least once</li> </ul> <h2 id="sns">SNS</h2> <p>SNS is about fan-out, not durability for processing.</p> <ul> <li>Push-based</li> <li>One message → many subscribers</li> </ul> <p>Subscribers can be: SQS queues or HTTP endpoints or Lambda</p>