SNS_Architecture.md

Using SNS with AWS Architecture

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• Useful Links:

  • Common Amazon SNS Scenarios

• Exam Tips:

  • Public AWS service - network connectivity with public endpoint.
  • Notification system - Not queueing.
  • If there needs to be messages sent, default to SNS in the exam.
  • Replicated and durable - Regional.
  • Topic:
    • Object where you publish your message (<= 256 KB>)
  • Subscriber:
    • Can use a filter.
    • Endpoint where the message is sent.
    • Available endpoints:
      • HTTP/S
      • Email(JSON)
      • SQS
      • Mobile
      • Lambda
      • SMS
  • Publisher:
    • The entity that triggers the sending of a message.
  • Fanout:
    • Allows a SNS message to be replicated and pushed to multiple SQS queues.