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# System prepended metadata

title: On-premise solution

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# On-premise solution 

## Overview

![](https://i.imgur.com/Z0hjk2S.png)

## System characteristics

- Reliable / any part of the system that failures will eventually recover
- [Causality](https://en.wikipedia.org/wiki/Causality) / "action-reacton" ability of the system
- [Liveness](https://en.wikipedia.org/wiki/Liveness) / eventually system will produce a meaningful result
- Auditable / system ability to report steps of execution

## To be discussed

- at most once delivery / at least once delivery / exactly once ?
- shall we immidiately start with https://docs.nats.io/nats-concepts/jetstream ?
- what/how to monitor? tools?
- pub/sub vs. req/reply pattern