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Line 27: *Link layer: This layer defines the networking methods within the scope of the local network link on which hosts communicate without intervening routers. This layer describes the protocols used to describe the local network topology and the interfaces needed to affect transmission of Internet layer datagrams to next-neighbor hosts. (cf. the OSI data link layer). The [[Internet protocol suite]] and the layered [[protocol stack]] design were in use before the [[OSI model]] was established. Since then, the TCP/IP model has been compared with the OSI model in books and classrooms, which often results in confusion because the two models use different assumptions, including about the relative importance of strict layering. ==Layers in the TCP/IP model==

TCP/IP model: Difference between revisions