Amazon SNS

What is Amazon SNS?

Amazon SNS is a notification service that provides mass delivery of the message within the cost limit. With Amazon SNS the user is able to send messages to distributed systems, services, and mobile devices. SNS works at any scale AWS reduces the complexity associated with messaging software and infrastructure.

Using Amazon SNS topics, publisher systems can deliver messages to a large number of subscriber endpoints for parallel processing which including Amazon SQS queues, AWS Lambda functions, and HTTP/S webhooks. It Is also used to push notifications to end users using mobile push, SMS, and email.

AWS SNS is used in serverless and microservice type architecture. In this model, the message published is delivered immediately by all the subscribers of the topic. It enables event-driven architecture; decouple applications in order to increase performance.

AWS services such as Amazon EC2, Amazon S3, and Amazon CloudWatch can publish messages to the SNS topics to initiate event-driven computing and workflows. AWS SNS along with SQS provides a strong messaging solution for building cloud applications. The applications built are fault-tolerant and easy to scale.

Mobile Notification using Amazon SNS

AWS services such as  Amazon EC2, Amazon S3, and Amazon CloudWatch can publish messages to the SNS topics to initiate event-driven computing and workflows. AWS SNS along with SQS provides a strong messaging solution for building cloud applications. The applications built are fault-tolerant and easy to scale. (Read:- What is AWS Lambda?)

Benefits of Amazon SNS

Some of the Major benefits of SNS are as under:

• Highly Trusted
  AWS SNS runs inside Amazon’s tested network infrastructure and data centers. To stop messages from being lost, all messages driven towards Amazon SNS hold on redundantly across multiple servers and data centers.
• Unlimited Scale
  AWS SNS can be used to practically any level and can fulfill the requirements of the greatest and most exacting applications, permitting applications to publish an infinite range of messages at any time. Organizations can utilize these services up to no practical limits.
• Extremely Resilient
  AWS SNS permits applications and end-users on totally different devices. If a user wants to receive the notifications via Mobile Push notification (Apple, Google, and Kindle Fire Devices), HTTP/HTTPS, Email/Email-JSON, SMS, or Amazon easy Queue Service (SQS) queues or AWS Lambda functions.
• Most Secure
  AWS SNS provides access management mechanisms to confirm that topics and messages secure against unauthorized access. Topic owners will set policies for a subject that limits who will publish or purchase a subject.
• Very Economical
  AWS SNS can be utilized in a pay-as-you-go model with no up-front fees or commitments. The per-request, notification delivery, and data transfer fees are extremely low.