Compare and Contrast

SQS v/s SNS v/s Kinesis

Feature	SQS	SNS	Kinesis
Push/Pull Model	Consumer pulls data	Push Data to all subscribers	For standard mode its pull data and for enhanced mode its push data
Data Retention	Once data is consumed, data is deleted	Data is not persisted (lost if not delivered)	Possibility to replay data. Data expires after x days, x between 1 and 365 days.
Limits	Can have as many consumers, due to unlimited throughput	Upto 12,500,000 subscribers, and upto 100,000 topics	Autoscaling is possible hence meant for real time big data, analytics and ETL
Ordering	Ordering guarantees available only on FIFO queues	FIFO capability for SQS FIFO	Ordering is at shard level
Capabilities	Individual message delay capability is provided	Integrates with SQS for fan-out architecture pattern	Provides both provisioned and on-demand capacity mode