SQS
Fully managed message queuing for microservices, distributed systems, and serverless applications.
What is the difference between Amazon SNS and Amazon SQS? - https://stackoverflow.com/questions/13681213/what-is-the-difference-between-amazon-sns-and-amazon-sqs
(Fanout Pattern) SQS Queues and SNS Notifications – Now Best Friends - https://aws.amazon.com/blogs/aws/queues-and-notifications-now-best-friends/