Large, distributed networks can be difficult to reach and monitor from a central location, with challenges like firewalls, network address translation (NAT) traversal, overlapping IP address ranges, and locked-down environments. The OpenNMS Minion component extends the reach of Horizon/Meridian, so you can monitor systems and networks that would otherwise be inaccessible, for optimal visibility into every area of your network.
Minions communicate with OpenNMS via an ActiveMQ or Apache Kafka message broker. Learn how to set up a simple OpenNMS Minion environment in these articles by Alejandro Galue, Senior Manager, Services and Support at The OpenNMS Group: