基于多核多线程处理器的网络测量仪的分析与设计

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1、桂林理工大学硕士学位论文ABSTRACTWiththerapiddevelopmentofnetworkapplications，researchesofnetworktesthavebeendeeperandwider,andtherelativeresearchesofnetworktestdevicesarecapturingmoreandneedier,whichinturnenhancesthedevicesandtheirsystemperformance．Themeasuringtechniquesofnetworkflowarethefundamentalofunders

2、tandingthecompositionstructureanddistributionofacertainnetworkandalsothebasictechniquesofhighspeednetworkQoSandoptimizingnetworkconfigure．However,theyhavenotbeenahotresearchingthemeofChinamainland；instead，mostoftheresearchesofGigabitEthemetnetworktestdevicearemainlymadebywesterners．Besides，howtoc

3、hooseaproperhardwareplatformwhendesigningatestdeviceofGigabitEthemetisveryimportant，aimingatthistheme，RMIXLR732multi—coreandmulti—threadedprocessorwith8hardcoreandeachcanprovide4threadswhichequals32virtualCPU，possessingitsownRMIOS，hasbeenchosentobethenetworktestdeviceinthispaper，anditcanfullymeet

4、theneedsoftestingprocedure．．Inthispaper，thepopularmulti··coreandmulti·-threadedprocessorsRMIXLR732hasbeenchosenasthemainhardwareplatform．Fromtheframeworkoftesterdevicetheoriesandrealization，severaldetailedresearcheshavebeendoneupontheprimefunctionanddesigningprocedures．Andthen，themainmoduleandade

5、taileddescriptionofthefunctionaswellasitsimplementationpracticessteparegivenhere．Themaincontentsandfinalconclusionsareasfollows：1)Thekeytechnologyandthemethodsofmeasurementhavebeenstudiedsystematically．Fromtheperspectiveofresearching，relevanttechniquesandtheoriesofdesigningandtestingtheGigabitEth

6、ernethavebeenformulatedindetail．Then，amulti—coreandmultithreadedprocessor,RMIXLR732，hasbeenchosentobuildtheGigabitEthernettestdevice．2)Fromthetripleaspectsofheterogeneousnetworkenvironments，multi—coreandmultithreadedtheory,embeddedtester,theprincipletechnologyofdesigningGigabitEthernettestdeviceW

7、asresearched．Then，thenetworktestingmoduleofhighflowWasestablished，andthekeyfunctioncodeWasgiveafterwards．Thirdly,theprincipleofnetworktester,theprincipleofcommunicationfromuppercomputers，andthedesigninformationofcontro