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1. Simple Notification Service (SNS) | Amazon Web Services (AWS) AWS Simple Notification Service (SNS) is a fully managed messaging service provided by Amazon Web Services (AWS) that enables you to build distributed, loosely coupled, and scalable applications. It allows you to send messages or notifications to a large number of subscribers through various protocols like HTTP, HTTPS, Email, SMS, SQS (Simple Queue Service),Lambda. - AWS Online Training Here are some key features of AWS SNS: 1. Publish-Subscribe Model: SNS follows a publish-subscribe model where publishers (producers) send messages to topics, and subscribers (consumers) receive messages from those topics. This decouples the message senders from the message receivers. 2. Topics: A topic is an access point for allowing subscribers to receive notifications. Publishers send messages to topics, and each topic can have multiple subscribers. - Amazon web services Training 3. Subscribers: Subscribers can be various AWS services or endpoints, such as Amazon SQS queues, AWS Lambda functions, HTTP/HTTPS endpoints, SMS messages, email addresses, mobile devices, and more. 4. Message Filtering: SNS supports message filtering based on message attributes. This allows subscribers to receive only the messages they are interested in. 5. Delivery Retry: SNS automatically retries message delivery to ensure high message delivery reliability. 6. Dead Letter Queue (DLQ): You can configure a DLQ to capture messages that SNS is unable to deliver to any subscriber after multiple retries. 7. Message Attributes:SNS supports adding custom attributes to messages, which can be used for filtering or other purposes. 8. Message Encryption: SNS supports message encryption to ensure the confidentiality of sensitive data. 9. Message Fanout: SNS supports message fanout, where a message published to a topic can be delivered to multiple subscribers concurrently. 10. Monitoring and Logging: AWS CloudWatch provides metrics and logs for monitoring SNS usage and performance. AWS SNS is commonly used for sending notifications, triggering events, and coordinating work among distributed services in a microservices architecture. It is particularly useful in scenarios where you need to

2. send notifications to a large number of recipients or when you need to decouple message producers from message consumers. - Amazon Web Services Online Course Visualpath is the Leading and Best Institute for learning AWS Training Course in Hyderabad. We provide AWS Online Training, you will get the best course at an affordable cost. Attend Free Demo Call on - +91-9989971070. Whats App: https://www.whatsapp.com/catalog/919989971070/ Visit: https://www.visualpath.in/amazon-web-services-aws-training.html