https://en.wikipedia.org/wiki/Ethernet#History https://en.wikipedia.org/wiki/Ethernet#History (& following sections) Calling something "Ethernet" amounts to a

https://en.wikipedia.org/wiki/Ethernet#History https://en.wikipedia.org/wiki/Ethernet#History (& following sections) Calling something "Ethernet" amounts to a promise that: - From far enough up the OSI sandwich*, you can pretend that it's a magically-faster version of old-fashioned Ethernet - It sticks to broadly accepted standards, so you won't get bitten by cutting-edge or proprietary surprises *https://en.wikipedia.org/wiki/OSI_model https://en.wikipedia.org/wiki/OSI_model