Why TCP/IP won:
1. Flexibility: Worked across diverse hardware/networks.
2. Simplicity: Smaller, modular protocol suite compared to OSI.
3. Open & Free: No licensing fees; anyone could implement it.
4. Early Deployment: DARPA/DoD adoption and ARPANET “flag day” created momentum.
5. Scalability: Datagram-based design allowed the global Internet to grow organically.
6. “Rough Consensus and Running Code”: The IETF’s approach meant working software came before bureaucracy.
Sound like #nostr ?
OSI is a reference model, not a protocol stack.
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That’s because they didn’t actually implement anything.
The actual models that competed with TCP-IP are x.25, ipx/spx, decnet, and sna.
Yup. I remember x.25. My goodness, sna - that’s an IBM thing?
Yeah that was IBM 😅
Blast from the past
