Ethernet History Deepdive – Why Do We Have Different Frame Types? (lostintransit.se)In the early 70’s, Robert Metcalfe, inspired by ARPANET and ALOHAnet had been working on developing what we today know as Ethernet. He published a paper in 1976, together with David Boggs, named Ethernet: Distributed Packet Switching for Local Computer Networks:
Poppies in the alley