an evaluation architecture for a network coprocessor

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1、Appearingin:Proceedingsofthe2002IASTEDInternationalConferenceonParallelandDis-tributedComputingandSystems(PDCS),Cambridge,Massachusetts,November,2002.AnEvaluationArchitectureforaNetworkCoprocessorJasonHatashitaandJamesHarrisHughSmithandPhillipL.NicoDepartmentofElectricalEngineeringD

2、epartmentofComputerScienceCaliforniaPolytechnicStateUniversityCaliforniaPolytechnicStateUniversitySanLuisObispo,CA93407SanLuisObispo,CA93407email:jhatashi@alumni.calpoly.eduemail:husmith@calpoly.edujharris@calpoly.edupnico@acm.orgAbstractthenetwork,includingTCP/IPstackprocessing,firew

3、alls,routing,andQualityofService(QoS)features.OurcurrentThispaperoutlinesresearchcurrentlybeingconductedbydevelopmentarchitectureconsistsofax86Linuxhostma-theCalPolyIntelligentNetworkInterfaceCard(CiNIC)chineandaSTRONG-ARMLinuxcoprocessorwhichsitsprojecttodevelopanetworkcoprocessor.T

4、hepurposeofinthehost'sPCIbusandappearstothehosttobeasimplethiscoprocessoristofreethehostmachinefromitsnet-PCIdevice.Thesystemarchitectureisshownschemati-workprocessingdutiesaswellastoallowforadditionalcallyinFigure1.functionalitysuchashardware-basedfirewallingorqualityInspiteofitssimp

5、leappearance,theCiNICcopro-ofservice(QoS)support.cessorisacompletelinuxsysteminitself.RunningafullWeprovideanoverviewofthecurrentCiNICarchi-operatingsystemonourcoprocessingboardprovidesde-tectureaswellasanintroductiontoandevaluationoftheveloperswithafamiliar,easy-to-use,environmentan

6、daf-nextgenerationCiNICarchitecture.Ourevaluationcon-fordsaccesstoindustry-provensoftwareforthecoproces-sistedofanalyzingtheperformanceandcapabilitiesofansor'snetworkfunctions.Theflexibilityofamicroproces-FPGAprocessorinordertodeterminewhetheritwillmeetsorandfulloperatingsystemontheco

7、processorsystemourfuturedevelopmentrequirements.TheFPGA'sperfor-allowsforexperimentationwithanyofthehost'ssoftwaremancewastestedbytimingtheexecutionoftheuClinuxroutines.RapidsoftwareprototypingandeasyaccessforTCP/IPstackduringsendoperations.Theprocessor'sca-performanceevaluationmaket

8、hisarchitect