1. 程式人生 > >How to Send Fanout Event Notifications

How to Send Fanout Event Notifications

Now that you have created the topic with Amazon SNS, you will create Amazon SQS queues that will subscribe to the topic.

When you subscribe multiple queues to a topic, each queue receives identical notifications every time a message is pushed to the topic. Services attached to those queues can then process the orders asynchronously and in parallel.

For example, an Amazon EC2 server instance attached to one of the queues could handle the processing or fulfillment of the order, while the other server instance could be attached to a data warehouse for analysis of all orders received.

To keep things simple, we won't actually attach EC2 instances to the queues in this tutorial.

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