Category: Application Integration
Service: Amazon Simple Notification Service (SNS)
Answer:
Amazon SNS supports a variety of message types, including text messages, email messages, HTTP or HTTPS POST messages, and mobile push notifications for Apple, Google, Fire OS, and Windows devices. To use SNS to distribute and handle messages, you first need to create an SNS topic, which serves as a logical access point for publishers and subscribers to communicate with each other. Once you have created an SNS topic, you can subscribe to it using different protocols, such as email, SMS, HTTP or HTTPS, or mobile push notification services.
To send messages to an SNS topic, you can use the AWS Management Console, the AWS CLI, or the SNS API. You can also use AWS Lambda to publish messages to SNS topics, which allows you to trigger events and automate workflows based on the messages received. When a message is published to an SNS topic, it is delivered to all subscribed endpoints that match the topic’s subscription filter policy.
To handle incoming messages, you can use AWS Lambda or Amazon SQS. With Lambda, you can create a function that processes the incoming messages and triggers additional actions based on the content of the message. With SQS, you can configure an SNS subscription to deliver messages to an SQS queue, which can then be processed by worker nodes or applications. This approach allows you to decouple message producers and consumers, and provides scalability and fault tolerance for your application.
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