OpenNMS Meridian is a subscription-based, optimized and stable version of the OpenNMS monitoring platform.

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OpenNMS Meridian

Released annually with monthly security patches and featuring the most stable and secure Horizon features, Meridian maximizes the platform’s value and minimizes maintenance efforts. Meridian helps you avoid the issues that can arise with rapid upgrades and releases.

Meridian Software Maintenance provides one year of full access to the software repository for initial installation and ongoing updates. The repository contains all Meridian core software versions, licensed under the AGPLv3.

Meridian Data Sheet

opennms diagram showing relationships between components

Meridian Core

A Meridian Core subscription provides one-year access to the repository that hosts all versions of the Meridian Core software.

You must have a subscription for each instance of the core that you are running. An instance places no limit on the number of users or the number of managed entities/elements.

Meridian Components

Meridian components run the most stable release of the Minion software, designed to work with the Meridian Core (you cannot run Horizon Minions with Meridian or Meridian Minions with Horizon Core).

A Meridian component subscription provides one-year access to the repository that hosts all versions of the Meridian Minion software. Note that the Meridian component and Core must be the same version.

If you purchase support and you are running one of the Meridian components, you must also purchase that component’s support. Core Support does not include support for Meridian components.

Learn more about OpenNMS components

Meridian 2022

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