- Sending event message by http post
- Recording success/error response from third-party reply.
- It should re-send message after third-party reply error or down.
- Delivery (HTTP POST)
- Success / Error Record
- Re-send in the case of third-party failure.
- Run in multi-process environment (e.g. Kubernetes)
- Metrics of backlog message
- Policy of record automatic archive
- Prevent sent too fequencly after massive event generated.(throttle)