The supervisory server of a Building Management System is typically kept on-site rather than in the cloud. The main reason for this design decision is that:

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Accepted Answer

Life-safety and continuous control functions must keep running even when the internet connection is lost.

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On-site hardware consumes less electricity than an equivalent cloud-based deployment of the same functionality.

Answer

On-site servers produce faster dashboard updates for building occupants who browse the BMS interface directly.

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Cloud servers are unable to translate between the BACnet, Modbus, and KNX protocols that a BMS commonly uses.,m,m

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The supervisory server of a Building Management System is typically kept on-site...

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