messaging

Overview

How to decoupe your applications

• SQS: queue model

• SNS: pub/sub model

• Kinesis: real-time streaming model

Architecture

• Fan-out pattern

SQS vs SNS vs Kinesis

	SQS	SNS	Kinesis
Features	- Data is deleted after cosumming - Have as many consumers as we want	- Push data to many cosumers (max: 12.5 mil) - Data will lost if not delivered	- Standard: pull data - Enhanced-fan out: push data
Order	only guarantess using FIFO queue	no, FIFO can be achieved when integrate with SQS FIFO	ordering at shard level
Provision	no need	no need	2 modes: provision & on-dmand