Amazon SQS vs Solace PubSub+ Event Broker
| Amazon SQS | Solace PubSub+ Event Broker | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Web | Web |
| Free plan | Yes | Yes |
| Deployment model | cloud | hybrid |
| Delivery guarantees | configurable | — |
| Dead-letter queues | Yes | — |
| Ordering guarantees | per_queue | — |
| Maximum message size | 1 MB | — |
| Supported protocols | AWS JSON, AWS Query, HTTPS, TLS | — |
Both are listed in Best Message Broker Software, Best Message Queue (MQ) Software. On The Geeks Club, Amazon SQS scores higher on our published basis.