Simple Notification Service (SNS)
Learn about Amazon SNS, the types of topics we can create using this service, the subscriber endpoints it supports, and messages in Amazon SNS.
Amazon Simple Notification Service (SNS) is a message delivery service provided by Amazon that delivers messages from a publisher to a subscriber. It uses the publish-subscribe model to deliver these messages, where a publisher sends a message to a topic, which is then delivered to all of its subscriber endpoints. Since the publishers and subscribers don’t need to know about each other, Amazon SNS decouples the components of a distributed system and delivers messages between them.
In Amazon SNS, a topic is a communication channel that receives messages from a publisher and delivers them to all available subscriber endpoints.
Types of SNS topics
We can create two types of SNS topics: a standard topic and a FIFO (first in, first out) topic.
Standard topics
In standard topics, messages are sent to the subscribers at least once, and there is no mechanism to preserve the order of ...