How Packets Move Through a Network?
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Packets are small pieces of data that travel through a network. The packets are sent by the source device (such as a computer or a router), then they travel across different layers of the network. They move between networks, devices and servers, until they reach the destination device, where they are reassembled back into the original message intended by the sender.
Each packet contains data as well as information about the source and destination device. When travelling, this data is processed at each layer of the network. Along with the header information, a variety of router and switch settings can determine how quickly the packets will be routed.
For example, if the source device has been assigned a low priority to transmit data, it may take longer for the packets to reach the destination device, as the routing device may prefer other packets with higher priority. On the other hand, if the packet is assigned a high priority, it may be routed quickly to its destination.
Once the packets reach their destination, the data is reassembled in the exact order it was sent from the source device. This enables the recipient to view the originally intended data.