Comment Comment by brookst Because all models are wrong, but some models are useful.OSI is a useful model, especially at lower layers, because it covers the abstractions from physical to network to internet to protocols, and that is a useful way to think about things. parent brookst 3 years ago
OSI is a useful model, especially at lower layers, because it covers the abstractions from physical to network to internet to protocols, and that is a useful way to think about things.