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by eeZah7Ux 1964 days ago
Very often in home and industrial automation you want to have a smart enough, local, gateway that can:

- speak multiple protocols as needed by the devices

- aggregate data, provide history of values from sensors & so on

- isolates the (limited) network stacks of local devices from the Internet - e.g. provides different timeouts and retransmission behavior

- terminates a VPN, often providing better security than exposing services directly on the Internet!