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A node is a Device that is connected as part of a Computer Network . For example, a node may be a Computer , Personal Digital Assistant , Cell Phone , Router , Switch , or Hub . If the network in question is the layer 2 device. If the network in question is a Peer-to-peer or Overlay Network , nodes that actively route data for the other networked devices as well as themselves are called Supernodes . In general terms, a node is a specific location in a telecommunication network. In Cable TV systems (CATV), this term has assumed a broader context and is generally associated with a Fiber Optic Node. A fiber optic node is those homes or businesses within a specific geographic area that are served from a common fiber optic receiver. A fiber optic node is generally described in terms of the number of Homes Passed that are served by that specific fiber node. Network node (NN): A grouping of one or more network elements (at one or more sites) which provides network related functions, and is administered as a single entity. A single site may contain more than one network node. For the purpose of this glossary, a network node is considered synonymous with a network element, and is usually at a single site. This restriction simplifies the definition of the network node interface (NNI) and INI, which would not apply between network elements. REFERENCES }}} |
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