- Node (telecommunications)
The term node as used in the field of telecommunications refers to an active electronic device that is capable of sending, receiving, or forwarding information over a communications channel.
Network topologythe term may refer to an active equipment situated in a point of branching of physical connections, or terminating a physical connection.
In computer networks, a node may either be a
data circuit-terminating equipment(DCE) such as a modem, hub, bridge or switch; or a data terminal equipment(DTE) such as a digital telephone handset, a printer or a host computer, for example a router, a workstation or a server.
In the fixed telephone network, a node may be a public or private
telephone exchange, a remote concentratoror a computer providing some intelligent network service. In cellular data communication, the Gateway GPRS Support Node(GGSN) and Serving GPRS Support Node(SGSN) are examples of nodes.
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