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Configuration Hub Products Documentation

iFIX
- Overview
- Connections
  - Connections Overview
  - OPC UA Connections
    - OPC UA Connections
      iFIX offers an OPC UA Client Driver option that allows you to connect to OPC UA Servers.
    - Server Management
    - Testing Connections
    - Policy Browse
    - Redundancy Configuration
    - Browse and Create iFIX Tags for OPC UA
    - Browse and Create Types for OPC UA
  - IGS Connections
  - Drivers
    The Drivers area lists the available drivers that you can add to your SCADA configuration.
  - Network Connections
    The Network Connections area allows you to view and control network communications for this node.
  - Special Considerations for SCADA Enhanced Failover
    This topic covers iFIX Enhanced Failover special considerations. It does not cover High Availability for Configuration Hub servers. iFIX Enhanced Failover should not be used on a node participating in a High Availability setup.
  - SQL Connections
    The SQL Connections area in Configuration Hub allows you to control how the iFIX SQL option communicates with a server containing a relational database.
- Model
- Database
- Project Security
- Alarms
- Project Settings
- Deployment
- Save and Publish

Redundancy Configuration

You can specify the redundancy settings for your OPC UA Server connection, if you have this feature enabled on your OPC UA Server. Scroll to view the Redundancy settings on the Details panel for selected OPC UA server Connection tab, as show in the following figure. You can configure Cold, Warm, or Hot redundancy.

According to the OPC Foundation: Cold redundancy requires an OPC UA Client to reconnect to a backup server after the initial server has failed. Warm redundancy allows a client to connect to multiple servers, but only one server will be providing data values. In Hot redundancy, subscriptions are created in multiple servers but only 1 server is active and providing data to the client at a time.

You can configure up to 3 backup servers (endpoint URLs).