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Scaling Out Ignition for Larger Systems

In larger systems, it is often easier to have multiple Ignition installations to help split the load between the front end tasks and the back end tasks. This is perfect for single large systems that aren't split up into different sites that are better suited for a hub and spoke architecture.

In the scale out architecture, we have at least one gateway that handles backend communications. The backend gateway will deal with all PLC and device communications. The front end gateway will handle all of the Clients, serving up the data pulled from the backend gateway. This is made possible through the Gateway Network, connecting gateways to each other, and allowing tags to be shared through remote tag providers.

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The best thing about the scale out architecture is that it is easy to scale up Ignition as your system grows. in the image below, we have added more frontend gateways to help handle an increase in clients, and a load balancer helps to automatically distribute the Clients between them.



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