What is SNS? — Introduction to Amazon Simple Notification Service. TL;DR: Amazon SNS is a managed service that provides message delivery from publishers (producers) to subscribers (consumers). Publishers communicate asynchronously with subscribers by sending messages to a topic, which is a logical access point and communication channel. Clients can subscribe to the SNS topic and receive published messages using a supported endpoint type. Introduction to AWS SNS … متابعة قراءة AWS — Amazon SNS Overview