Amazon SNS versus Amazon MSK
Learn how Amazon SNS differs from Amazon MSK.
| Amazon SNS | Amazon MSK | |
|---|---|---|
| Scaling | infinite |
30 brokers per cluster; you need add/remove brokers and reassign partitions manually |
| Max. message size | 256 KB |
configurable (default 1 MB) |
| Persistence | no |
forever (up to 16384 GiB per broker) |
| Replication | Multi-AZ |
Multi-AZ (optional) |
| Order guarantee | no |
within a partition |
| Delivery guarantee | at least once |
|
| Pricing | per message |
per broker hour + provisioned storage |
| Protocols | AWS Rest API |
|
| AWS Integrations | Lambda, SQS, webhook |
n/a |
| License | AWS only |
open source (Apache Kafka) |
| Encryption at rest | yes |
yes |
| Encryption in transit | yes |
yes |