Domov technika Network node

Network node



Computernetworknode

Indatacommunication,thenetworknodecanbeadatacommunicationequipment(DCE),suchasamodem,ahuborswitch,anetworkbridge,oradataterminalequipment(DTE)),suchasdigitaltelephoneterminals,printersorhosts(routers,workstationsorservers).

Networknodesareactuallynetworkunits,whicharevariousdataprocessingequipment,datacommunicationcontrolequipmentanddataterminalequipmentinacomputernetwork.Networknodescanbedividedintotwotypes:transfernodesandaccessnodes.Thenodesthatsupportnetworkconnectionperformancearecalledtransfernodes,whichtransferandtransferinformationthroughcommunicationlines,suchasterminalcontrollers,concentrators,etc.

Theaccessnodeisthesourcenodeandthetargetnodeofinformationexchange.Itfunctionsasasourceandsink,suchasaterminalandahostcomputer.

Telecommunicationsnetworknode

Inafixedtelephonenetwork,thenodemaybeapublicorprivatetelephoneexchange,ahuboraremotecomputertoprovidesomeintelligentnetworkservices.Incellularcommunication,MSC,BSC,HLR,GGSN,SGSN,etc.arealsonodes,butbasestationsaregenerallynotconsideredasnodes.

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