TCP/IP also is a layered protocol but does not use all of the OSI layers, though the layers are equivalent in operation and function (Fig. 2). The network access layer is equivalent to OSI layers ...

What does Ethernet and TCP/IP actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

While some people may argue that the OSI model is obsolete (due to its conceptual nature) and less important than the four layers of the TCP/IP model, Kumar says that “it is difficult to read ...

What does OSI model actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Because we work so much with TCP/IP nowadays, even though TCP/IP is a layer 4 stack I sometimes find myself thinking of it as the application layer. Maybe it’s because I tend to associate ...

IBM misplayed its hand with SNA and OSI never had a chance against TCP/IP. The long, slow and at times, colorful battle between TCP/IP backers and SNA stalwarts was one of the more acrimonious ...

However, because TCP doesn’t respect the OSI model, we have to sort of carve TCP/IP out of this conversation, which really limits its practical application in most environments.