Introduction
Welcome back to Mastering Messaging with AWS SDK for Python. Today, we're exploring the integration of Amazon Simple Notification Service (SNS) and Simple Queue Service (SQS) to efficiently distribute messages. Employing the fan-out pattern allows a single publisher to communicate with multiple subscribers with ease.
Initial setup
Imagine a scenario involving three services: Service A, Service B, and Service C. Service A needs to send information to both Service B and Service C. Rather than Service A managing individual SQS queues for each, we can simplify this process using an SNS topic to fan out messages.
Publishing to an SNS Topic
Let's quickly illustrate how Service A publishes a message to an SNS topic, including some advanced publishing options:
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