Section outline

    • TCP/IP PROTOCOL SUITE Book
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      The OSI model came after the development of the TCPIIP protocol suite. As a result, the OSI model's layers and those in the TCP/IP protocol suite do not precisely correspond. The host-to-network, internet, transport, and application layers comprised the original TCP/IP protocol suite. On the other hand, the host-to-network layer is comparable to the sum of the physical and data link layers when comparing TCP/IP to OSI. The application layer essentially performs the functions of the session, presentation, and application layers, while the transport layer in TCP/IP handles some of the session layer's responsibilities. The internet layer is comparable to the network layer.