Amazon SNS Standard versus Amazon SNS FIFO

30 Nov 2022

Learn how Amazon SNS Standard differs from Amazon SNS FIFO.

Amazon SNS Standard Amazon SNS FIFO
Scaling

not disclosed (default soft limit depends on region; e.g., 9000 msg/sec in eu-west-1)

3000 msg/sec (batch write) or 10 MB per second

Max. message size

256 KB

256 KB

Persistence

no

no

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

yes

Delivery guarantee

at least once

exactly-once possible

Pricing

per message

per message

Protocols

AWS Rest API

AWS Rest API

AWS Integrations

Lambda, SQS, webhook

SQS FIFO

License

AWS only

AWS only

Encryption at rest

yes

yes

Encryption in transit

yes

yes