TCP/IP Layer and Data Unit

The TCP/IP layer is a protocol suite that is used to transfer data over the network. It consists of four layers, namely, the application layer, transport layer, network layer, and data link layer. Each layer has a specific function and communicates with the layer above or below it.

The data unit in the TCP/IP layer is called a frame, which is the unit of data that is transmitted between devices on a network. A frame consists of a header and a payload, where the header contains information about the frame, such as the source and destination addresses, and the payload contains the actual data being transmitted.

TCP/IP Layer Data Units

There are different data units in each layer of the TCP/IP protocol suite, which are as follows:

- Application Layer: The data unit in the application layer is called a message, which consists of the data that is to be transmitted.

- Transport Layer: The data unit in the transport layer is called a segment, which is created by segmenting the message received from the application layer. A segment contains a header and data payload.

- Network Layer: The data unit in the network layer is called a datagram, which is created by encapsulating the segment received from the transport layer. The datagram contains a header and data payload.

- Data Link Layer: The data unit in the data link layer is called a frame, which is created by encapsulating the datagram received from the network layer. A frame contains a header and data payload.

Conclusion

In conclusion, the data unit in the TCP/IP layer is called a frame, which is the unit of data that is transmitted between devices on a network. The frame is created by encapsulating the datagram received from the network layer and contains a header and data payload.