this post was submitted on 22 Nov 2025
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Easy way to remember the OSI model (sh.itjust.works)
submitted 22 hours ago by _thebrain_@sh.itjust.works to c/programmer_humor@programming.dev
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[–] neidu3@sh.itjust.works 1 points 18 hours ago* (last edited 17 hours ago) (1 children)

TCP/IP model is Limited and incomplete.

Fibrechannel, infiniband, and many RDMA protocols, just to make a few, don't fit in the TCP/IP model, while the OSI model fits them just fine.

[–] slazer2au@lemmy.world 2 points 17 hours ago (1 children)

How don't they fit?

[–] neidu3@sh.itjust.works 1 points 16 hours ago (1 children)

Neither TCP, UDP, nor IP, is involved.

[–] slazer2au@lemmy.world 2 points 15 hours ago (1 children)

But they don't run CLNS so the ISO model doesn't fit either.

[–] neidu3@sh.itjust.works 1 points 15 hours ago

OSI model != OSI protocols

CLNS is not a pre-requisite for Layer 3.