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1、OntheapplicationofcomputernetworktechnologyanddevelopmentPaperKeywordscomputernetworktechnologydevelopmentAbstractsinglecomputerrun,intermsofhardware,software,causinggreatwasteofitall.Toestablishacomputernetworkcanberealized,includingexpensivehardware,softwareandd
2、atasharingofresources,avoidduplicationofdevelopmentandinvestment.Withthetransmissioninprogress,thesurgeindemandfornetworkinterconnection,networksoftwarelevel,computernetworktechnologywillbemorewidelyused.Computernetworkreferstothelocationofdifferentfunctionsofmult
3、ipleindependentcomputersandperipheralequipment,connectedviacommunicationlines,networkoperatingsystems,networkmanagementsoftware,andnetworkcommunicationprotocols,underthemanagementandcoordination,resourcesharingandinformationdeliveryofcomputersystems.9Acourseofdeve
4、lopmentofcomputernetworks1.1PhaseI:computertechnologyandcommunicationtechnologycombinedwiththefirstattemptTheearly1950s,theU.S.ground-airdefensesystemwithradarandcommunicationlinestoremotemeasurementandcontroldevicesconnectedtothecentralcomputeronthesamestart,this
5、isthefirstattemptintoday’sworldofcomputertechnologyandcommunicationtechnologytocometogether,whichforthecomputerTheemergenceofthenetworktodothetechnicalpreparation,andlaidasoundtheoreticalbasis.Later,intheearly1960s,U.S.airlinesreservationsystemisonceagaintryingtoc
6、onnectthroughacentralcomputerthroughoutallovertheUnitedStatesmorethantwothousandcomputers,inordertoachieveamulti-usertime-sharingandcentralizedcontrolprocessing,computercenter-linesystem(fortheendoftheline/networksystem),soitwasproduced.1.2PhaseII:thegenerationofp
7、acketswitching1960s,theSovietUnionduringtheColdWarcontext,the9U.S.DepartmentofDefenseAdvancedResearchPlanningAgencyledtothedevelopmentofaproposednewARPAnetworkagainstattacksfromtheformerSovietnuclearthreatastheremotenetwork(WANbegantobelargewiderangeofdistribution
8、,(AdvancedResearchProjectsAgencythattheU.S.DefenseAdvancedResearchProjectsAgencyARPAin1969toestablishthenetwork,remotenetworkisregardedaswell-known,noto