![]() A packet's control information is examined by each network device to determine the destination node. Data packets sent over a network go through a number of nodes. Using packet sniffers, data flow is intercepted as it travels across the network and copied to a file. To make sure that packets arrive at their intended location, the control information comprises the IP (Internet Protocol) addresses of the source and the destination, packet sequencing information (such as packet number), and more. As packets intended to be sent to a particular node frequently transit through several nodes in a network and have the possibility to reach at the inaccurate node, the control information is necessary. Along with actual data, the packets include control information to facilitate the transport of packets from transmitter to the receiver. Depending on the network protocol, these packets have different formats. Data is exchanged among different nodes in a network in the form of compact data chunks known as packets. Although, these networks use the same basic concepts for transmission of data. Modern networks include a combination of physical and wireless connectivity. A stable network connection makes sure that data is sent between these nodes consistently and at a reasonable speed based on the capacity of the network. All of these elements are referred to as nodes in the context of networking. Every network comprises numerous elements, including workstations, servers, networking devices, and more.
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