I know that RED is Remote Ethernet Device and VPN is Virtual Private Network.

But I think that they work as the same way.

Someone can help me?

  • 2
    RED normally means Random Early Detection, which is a QoS technique to prevent queues from filling to tail-drop and causing TCP global synchronization.
    – Ron Maupin
    Jul 24, 2023 at 14:39

1 Answer 1


"Remote Ethernet Device" is a Sophos marketing term for their (slave/remote-site) VPN appliances.


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