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AWS::SNS::Topic

  • Pub/Sub model
  • It's useful when you have many receivers for a message

  • SNS integrates with many AWS services (e.g., CloudWatch)

  • APIs

  • TopicPublish: create topic, create subscription, publish to a topic
  • DirectPublish: for mobile apps

Fan Out Pattern

  • Publish once to SNS, Receive in all SQS subscribers
  • This way, the clients can that the advantages for SQS
  • Delayed processing
  • Retries
  • Fifo
  • Filtering

Fan Out Fan Out Filtering

Properties

FifoTopic

  • SQS FIFO stores the messages in the exact order they take place