The Protocols of the TCP/IP Model

Each layer of the TCP/IP model adheres to a different set of rules for communication. These are the protocols that are used at each of the layers to ensure that peer-to-peer communication occurs correctly between hosts. This section lists the protocols that are in operation for each of the layers.

Network Interface Layer Protocols

Protocols of the Network Interface layer also include those of the Hardware layer because the Hardware layer is seen as being incorporated into the Network Interface layer. The following protocols operate at the Network Interface layer:

  • IEEE 802.3 Ethernet including CSMA/CD— The standard network access method used in Ethernet networks.

  • IEEE 802.4 Token Bus— A network access method ...

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