SAA-C03 - Design Resilient Architectures - Section 2.4
Orchestrate decoupled, serverless workflows using AWS Step Functions, AWS Lambda and asynchronous fan-out patterns.
Describe AWS Step Functions as a visual workflow orchestrator that coordinates sequences of Lambda functions and other services, managing state, retries, and error handling between steps. Apply the fan-out pattern using SNS or parallel Step Functions branches to execute independent tasks concurrently, and configure dead-letter queues to capture failed Lambda invocations or SQS messages for later inspection.
AWS Step FunctionsAWS LambdaFan-out patternDead-letter queues
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