internet网络技术课程论文new

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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,theproblemofnetworkco

2、mmunication’sreal-timeperformanceandnetwork’squalityofservice(QOS)isthekeytechnologyofresearchbyhumanallalong.Tosolvethisproblem,thecharacteristicofnetworkcommunicationwasanalyzedfirstly,andthencomputernetworkcommunication’stimeconstraintconditionwasanalyzedonthesystempointofview.Finally,theIntran

3、etandInternet’sreal-timeperformancewasanalyzedandevaluatedrespectively.Someconclusionsareprovidedforpracticality.KeyWords:Network;Ethernet;real-timecommunication;1.Introductionofreal-timecommunicationTheModerncomputertechnologyandthemoderncommunicationtechnologyiscombinedtocomputernetworktechnolog

4、y,andmorethantwoindependentoperatingsystemstoconnecttoeachotherthroughthemediatoshareacollectionofhardwareandsoftwarecomponentsofthecomputernetworkresources.Withtheextensiveapplicationofcomputernetworks,moreandmorepeopleputforwardmanyrequirementsincludingadedicatedmultimediacommunicationsandcontro

5、loftheindustrialmeasurementreal-timecommunication.ItisincludeacomprehensiveQualityofService(QOS).TraditionalcomputernetworksalsousepacketswitchingtechnologyisdesignforNon-real-timedatacommunicationsandusingTCP/IPprotocolismainlytooptimizetheoverallnetworkdatathroughputanddatacommunicationstoprovid

6、ebest-effortservice.Buttoday'smultimediacommunicationsandindustrialmeasurementcontrolreal-timenetworkcommunicationnotonlyincludestraditionaltextdata,butalsoincludessuchasaudio,videoandotherinformation.IntheWAN,InternetusetheprotocolsTCP/IPachieveaglobalinternetworking.IntheLAN,someofthemainnetwork

7、operatingsystemalsoprovidestheprotocolconversiongatewaysoftware,buttheseInternetaccesshassomelimitationsandgenerallydonotprovideheterogeneousnetworkdirectlybetweenthecomputeraccessreal-timecommunication.However,i