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14-02 Queuing

Last updated Aug 17, 2023 Edit Source

# What is a Messaging System?

Used to provide asynchronous communication and decouple processes via messages/events From a sender and receiver ( producer and consumer)

# What is a Queueing System?

A Queueing system is a messaging system that generally will delete messages once they are consumed. Simple communication. Not Real-time. Have to pull. Not reactive.

# Simple Queueing Service (SQS)

#aws-service
35 Simple Queueing Service (SQS) is a fully managed queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications

Use Case

You need to queue up transaction emails to be sent e.g. Signup, Reset Password.