[ivancamilov]

"OSI has been forgotten by all but a handful of veterans of the Internet-OSI standards wars."

Hardly forgotten, I learned about OSI at the same time I studied TCP/IP back in college. And I'm hardly a veteran, since I graduated in '09.

[ghshephard]

OSI model, or OSI protocols? Everyone knows the OSI model - but outside of Avionics, you won't find that many people who know the protocol details beyond knowing they exist. And that TP4 is a thing.

[walshemj]

You can tell people who relay know OSI by asking them which level MIDI is and critique CISCO'S asertation that its a layer 5