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An order management system currently employs a cron job to poll for new orders. Upon detecting a new order, the cron job sends the order data as a message to message queues, ensuring reliable downstream order processing. The company is aiming to migrate this functionality to AWS cloud to enhance performance and reduce costs.
What is the most optimal solution to achieve this requirement in AWS?
An order management system currently employs a cron job to poll for new orders. Upon detecting a new order, the cron job sends the order data as a message to message queues, ensuring reliable downstream order processing. The company is aiming to migrate this functionality to AWS cloud to enhance performance and reduce costs.
What is the most optimal solution to achieve this requirement in AWS?
Explanation:
Use Amazon Simple Notification Service (SNS) to push notifications when an order is created. Configure different Amazon Simple Queue Service (SQS) queues to receive these messages for downstream processing
Amazon SNS works closely with Amazon Simple Queue Service (Amazon SQS). These services provide different benefits for developers. Amazon SNS allows applications to send time-critical messages to multiple subscribers through a “push” mechanism, eliminating the need to periodically check or “poll” for updates. Amazon SQS is a message queue service used by distributed applications to exchange messages through a polling model, and can be used to decouple sending and receiving components—without requiring each component to be concurrently available.
Using Amazon SNS and Amazon SQS together, messages can be delivered to applications that require immediate notification of an event, and also stored in an Amazon SQS queue for other applications to process at a later time.
When you subscribe an Amazon SQS queue to an Amazon SNS topic, you can publish a message to the topic and Amazon SNS sends an Amazon SQS message to the subscribed queue. The Amazon SQS message contains the subject and message that were published to the topic along with metadata about the message in a JSON document.
SNS-SQS fanout is the right solution for this use case.