this post was submitted on 21 Nov 2023
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It does and it doesn't. Most wired ethernet isn't on shared media, so it doesn't need/use csma/cd... But wireless is based on ethernet and uses csma/cd (wifi) presumably
I wonder if we were still using hubs back then. We bought a bunch of Cabletron switches around that time
Wireless uses csma/CA, IIRC. It avoids collisions rather than detecting and responding.