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Each instance of a Controller in a Universal Automation Center environment is referred to as a cluster node. A High Availability (redundant system) environment contains two or more cluster nodes.
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Application Container
The application container is third-party software that serves as a container for the Controller. Universal Controller uses Apache Tomcat as the application container.
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Database
The database management component supports SQL queries to a set of tables in the Controller database.
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- MySQL 5.7.x and 8.0.x
- Microsoft SQL Server 2014, 2016, 2017, 2019
- Oracle 19c, and 21c
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Universal Message Service (OMS)
Universal Message Service (OMS) is the network communications provider between the Controller and Agent(s).
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OMS is installed as a component of Universal Agent for Windows and UNIX.
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Command Line Interface (CLI)
The Universal Controller Command Line Interface (CLI) is implemented as a set of commands that perform specific actions in a Controller. The CLI commands can execute on any system that has TCP/IP connectivity to OMS. The results of the action are printed to the CLI commands standard output.
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