SNS Fan-Out Pattern
The fanout pattern with SNS allows you to send a message to a topic, which then pushes the message to multiple subscribers. In this example, a file upload to S3 triggers an event notification to an SNS topic, which then sends the message to different Lambda functions that do encoding for different formats.
SNS on One Page (No Fluff)
Build pub/sub systems. Our SNS cheat sheet covers topics, subscriptions, and message filtering - the messaging essentials.
HD quality, print-friendly. Stick it next to your desk.