Getting Started > What's New in v7.x > What's New in CitectSCADA v7.0 > Publisher-Subscriber Model

Publisher-Subscriber Model

CitectSCADA now uses a Publisher-Subscriber data acquisition model. Client computers subscribe to configured tags and receive notification when the tag values change. Cicode functions can also be triggered by the change of a tag, removing the need to poll, and improving the efficiency of the system.

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