How to Create & Configure SImple Notification Service(SNS) on Amazon Web Service(AWS).

Amazon SNS is a highly available, durable, secure, fully managed pub/sub messaging service.It enables  decouple microservices, distributed systems, and event-driven serverless applications. Amazon SNS topic owners can set topic policies that restrict who can publish and subscribe to a topic. Amazon SNS also ensures that data is encrypted in transit and at rest, and provides …