High Availability Redundant OPC Router Instances
For the example application shown here, the two OPC Routers with the Redundancy Add-on are installed in a network as primary and secondary. Monitoring takes place between the instances and in the event of a functional failure of the primary OPC Router, the secondary OPC Router automatically takes over all tasks from the hot stand-by. As soon as the primary OPC Router is available again, the secondary OPC Router automatically switches back to hot stand-by mode. Secure Redundancy uses pre-shared keys to ensure an encrypted, secure, trustworthy connection between the instances.
This solution can be implemented with any combination of OPC Router features, not just the one shown here, provided you have the Redundancy Add-On licensed.
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