Building Scalable Notification Systems with AWS SNS Tutorial

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by The Captain

April 8, 2024
AWS SNS Tutorial: Building Scalable Notification Systems

AWS SNS Tutorial: Building Scalable Notification Systems

AWS Simple Notification Service (SNS) is a fully managed messaging service that enables you to send messages or notifications to a large number of subscribers. In this tutorial, we will explore how to utilize AWS SNS to build scalable notification systems for your applications.

Step 1: Create an SNS Topic

To get started, log in to your AWS Management Console and navigate to the SNS service. Click on "Create topic" to define a new topic. Give your topic a name and display name, and then click "Create topic."

Step 2: Subscribe Users to the Topic

After creating the topic, you will need to subscribe users to it. Users can be subscribed via email, SMS, HTTP, or even through a Lambda function. Choose the appropriate protocol and provide the necessary details to subscribe users to the topic.

Step 3: Publish Messages to the Topic

Now that you have created a topic and subscribed users to it, you can start publishing messages. You can send messages using the AWS Management Console, CLI, or SDKs. Messages can be in various formats, including text, JSON, or even binary.

Step 4: Set Up Message Filtering and Delivery Policies

AWS SNS allows you to set up message filtering and delivery policies to control who receives messages, based on attributes or message content. You can define filter policies to route messages to specific subscribers based on their preferences.

Step 5: Monitor and Track Notifications

Monitor your SNS activity through CloudWatch metrics and set up alarms for important events. You can track message deliveries, delivery failures, and other metrics to ensure the reliability and scalability of your notification system.


By following this tutorial, you have learned how to leverage AWS SNS to create scalable notification systems for your applications. SNS simplifies the process of sending messages to distributed systems and allows for seamless integration with other AWS services.