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seefriek
Doom multiplayer networking ran over IPX, not TCP/IP, and used a multicast to find other clients. So...trick question: none?
tssva
The original Doom did run over IPX, but it used broadcast not multicast. It also didn't just use it to find other clients but for all packets. It was a network killer. Later versions switched to using broadcast to discover other clients and unicast for game play.
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[dead] seefriek
You are of course correct. Clearly a couple of faulty brain cells in those memories.