internet网络技术课程论文

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1、Internet网络技术课程论文TheResearchonComputerCommunicationNetworksReal-timeCommunication院系：物理电气信息学院班级：08级电子班姓名：李伟学号：12008243872TheResearchonComputerCommunicationNetworksReal-timeCommunicationAbstract:Computercommunicationnetworkhasbeenapopulartechnologyintheinformationsociety.However,the

2、problemofnetworkcommunication’sreal-timeperformanceandnetwork’squalityofservice(QOS)isthekeytechnologyofresearchbyhumanallalong.Tosolvethisproblem,thecharacteristicofnetworkcommunicationwasanalyzedfirstly,andthencomputernetworkcommunication’stimeconstraintconditionwasanalyzedonth

3、esystempointofview.Finally,theIntranetandInternet’sreal-timeperformancewasanalyzedandevaluatedrespectively.Someconclusionsareprovidedforpracticality.KeyWords:Network;Ethernet;real-timecommunication;1.Introductionofreal-timecommunicationTheModerncomputertechnologyandthemoderncommu

4、nicationtechnologyiscombinedtocomputernetworktechnology,andmorethantwoindependentoperatingsystemstoconnecttoeachotherthroughthemediatoshareacollectionofhardwareandsoftwarecomponentsofthecomputernetworkresources.Withtheextensiveapplicationofcomputernetworks,moreandmorepeopleputfor

5、wardmanyrequirementsincludingadedicatedmultimediacommunicationsandcontroloftheindustrialmeasurementreal-timecommunication.ItisincludeacomprehensiveQualityofService(QOS).TraditionalcomputernetworksalsousepacketswitchingtechnologyisdesignforNon-real-timedatacommunicationsandusingTC

6、P/IPprotocolismainlytooptimizetheoverallnetworkdatathroughputanddatacommunicationstoprovidebest-effortservice.Buttoday'smultimediacommunicationsandindustrialmeasurementcontrolreal-timenetworkcommunicationnotonlyincludestraditionaltextdata,butalsoincludessuchasaudio,videoandotheri

7、nformation.IntheWAN,InternetusetheprotocolsTCP/IPachieveaglobalinternetworking.IntheLAN,someofthemainnetworkoperatingsystemalsoprovidestheprotocolconversiongatewaysoftware,buttheseInternetaccesshassomelimitationsandgenerallydonotprovideheterogeneousnetworkdirectlybetweenthecomput

8、eraccessreal-timecommunication.However,i