Scenarios and Use-Cases

Question 1

Describe a Fanout scenario. What AWS technologies are used?

Answer 1

• A message is published to SNS
• That message is published to multiple endpoints
  
  • Endpoints can be SQS, Kinesis Firehose, HTTPS and Lambda

Question 2

What tools could you use to develop a simple Twitter-like service? (Woofer use-case)

Answer 2

• Tools
  
  • DynamoDB with Streams
  • Lambda
• Scenario
  
  • Item is written to a DynamoDB Table
  • Stream record is written
  • Stream record triggers AWS Lambda
  • Lambda Function publishes information a channel like SQS or SNS