Amazon Simple Notification Service (SNS) is a highly available, durable, secure,

A fully managed machine learning service provides developers and data scientists with the ability to build, train, and deploy machine learning (ML) models quickly. [Source: AWS]

pub/sub

Messaging is the exchange of message s (specially-formatted data describing events, requests, and replies) to a messaging server , which acts as a message exchange program for client programs. [Source: TechTarget]

service that enables you to decouple microservices, distributed systems, and

Serverless computing is a cloud computing execution model in which the cloud provider runs the server, and dynamically manages the allocation of machine resources. Pricing is based on the actual amount of resources consumed by an application, rather than on pre-purchased units of capacity. [Source: Wikipedia]

applications. Amazon SNS provides topics for high-throughput, push-based, many-to-many

Messaging is the exchange of message s (specially-formatted data describing events, requests, and replies) to a messaging server , which acts as a message exchange program for client programs. [Source: TechTarget]

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