Node of computer network

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Network node - a network attached to the active electronic device that allows you to send, receive, and forward information through the communication channel. Passive network elements, such as a patch panel, are not part of a computer network, but may be data transmission devices such as modems, hubs, bridges and switches, or end devices such as digital telephones and network printers, as well as hosts. Routers, workstations, or servers.

The method of linking nodes to a computer network by means of communication channels, ie, a network structure, is called a network topology. On LAN or WAN networks (where there is at least a data link layer), each node must have its own MAC address, usually one for each network interface. The definition of the concept of a network node depends largely on the structure of the network itself and the protocol layer that is being considered.

In telecommunication networks, a network node is a connection point, redistribution point or end point of the network. It may be eg a telephone exchange. Bibliography

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