The model describes how each layer communicates with the corresponding layer on other nodes. Figure 1 - 2 illustrates how data is in the network
Find its path. On the first node, end users create some data, send them to other nodes, such as email.
In the application layer, the application layer header is added to the data. Indicates that the layer added its own on the data received from the application layer.
The header is added to the data received from the upper layer. However, at a lower layer, the data is divided into smaller
The cell and join the header on each cell. For example, the transport layer has a smaller data packet, and the network layer has a packet.
The data link layer has a frame. The physical layer handles the data in the original bitstream. When this bit stream arrives at the destination, the data is in each
The layer is reset and the header of each layer is removed until the end user can read the email.
