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101Vol110No1120093JournalofInformationEngineeringUniversityMar12009:2008-09-04:(60573116,60603072);863(2007AA01Z201,2008AA01A323);(Z106829,Y106747,Y1080078);(2006C11215,2008C21093):(1964-),,,,,,(,310018):,,,,:;;;;:TP393.02:A:1671-0673(2009)01-0007-05DiscussiononTechnicalDesignofProtocolStandardandSoftwareArchitectureforOpenReconfigurableRoutersWANGWei2ming,DONGLi2gang,ZHUGEBin(CollegeofInformationandElectronicEngineering,ZhejiangGongshangUniversity,Hangzhou310018,China)Abstract:Forthemergerequirementofmultiplenetworksandmultipleservices,researchonroutersisbeingevolvedfromtheperformanceimprovementstotheimprovementsofextensibilityandrecon2figurationability.Thispapermadeaninitialstudyonthegeneralarchitectureofnetworkelementswhichsupportsopenreconfigurations.Aframeworkforstandardizingopenreconfigurationsand,basedonwhich,asoftwarearchitecturalmodelwasproposed.Thisdesignmadepossiblethefunc2tionalityextensionjustbasedoncurrentexistinglowlevelresources,asaresult,madepossibletheopenreconfigurations.Keywords:openarchitecture;reconfigurable;protocol;softwarearchitecture;router11.1,,,,,,,,,,,82009,,,,,,,,1.2,,(OpenSig),IEEEP1520,IETFGSMP,MultiserviceSwitchingForum(MSF),IETFForCES(ForwardingandControlElementsSepara2tion),NetworkProcessingForum(NPF)IETFITUNPF,IntelIBMZynx,ForCESForCESIETFForCES,2002ForC2ES,IETFForCES,ForCESForCES,ForCESForCES:IBMFlexi2NET[1]SUNNeon[2]AT&T(Lu2cent)[3]M.Hidell[4]R.N.Takourout[5]JuniperJCS1200[6][7,8],:[9,10];,,[1113]2:,,;,;,,,14:(ControlElement,CE),,,IP;(LinkingElement,LE);(ForwardingEl2ement,FE);(SwitchingElement,SE)1ForCES,,,IP13,,21:92,,,,3,,2,,,;,,,,,,,;2,3.1,,,:,,,3,3,,,,,,,,,,,,,3.2,,,,(),,,,(4),,:4102009,:4,,,,IETFForCES,IETFForCES,ForCES,,,,,IETFForCES,567:Pc:;Pif:;Pfs:;Pbc:;TML:;Pai:;RE(ResourceElement)Model:;RE(ResourceElement)Lib:5(1),PcIETFForCES,;TMLIETFTML;REModelIETFFEModel,;RELibIETFFELibrary,PifPfsPbcPai4.1PifPfs3:;;4.2TML,,4.3PbcPc,21:11,,5,,ForCESForCES,,:[1]HaleplidisE,HaasR,DenazisS,etal.AWebService2andForCES2basedProgrammableRouterArchitecture[DB/OL].[2006-09-01].http:[2]ChristophSchuba,JasonGoldschmidt,KevinKalajan,etal.IntegratedNetworkServiceProcessingUsingNetworkDevices[EB/OL].[2006-12-11].http:[3]NickFeamster,HariBalakrishnan,JenniferRexford,etal.TheCaseforSeparatingRoutingfromRouters[EB/OL].[2007-11-11].[4]HidellM.ControlandForwardingPlaneInteractioninDistributedRouters[C]Proc.4thInternationalIFIP2TC6NetworkingConference,Waterloo,Canada,2005:1339-1342.[5]TakouroutRN.SeparationoftheControlPlaneandFor2wardingPlaneinNext2GenerationRouters[J].JournalofComputerScience,2006,2(11):815-823.[6]Juniper.NetworksDeliversIndustrysFirstHigh2Per2formanceControlPlaneScalingPlatform[EB/OL].[2008-09-11].[7]ZhaoF,SuJ,ChengX.OpenRouter:ATCP2BasedLightweightProtocolforControlPlaneandForwardingPlaneCommunication[C]Proc.3rdInternationalCon2ferenceonNetworkingandMobileComputing,BerlinHeidelberg:Springer,2005:1032-1041.[8],,,.ForCESIPv6[J].,2006,28(3):44-48.[9]IyerS,McKeownNW.AnalysisoftheParallelPacketSwitchArchitecture[J].IEEE/ACMTrans.onNetwor2king,2003,11(2):314-324.[10]CheynsJ,DevelderC,ColleD,etal.Closlivesoninopticalpacketswitching[J].IEEECommunicationsMagazine,2004,42(2):114-121.[11]HouidiI,LouatiW,ZeghlacheD.Anextensiblesoft2warerouterdata2pathfordynamiclow2levelservicede2ployment[C]IEEEWorkshoponHighPerformanceSwitchingandRouting2006,Poland,2006:161-166.[12]HandleyM,KohlerE,GhoshA,etal.DesigningEx2tensibleIPRouterSoftware[DB/OL].[2006-09-01].http:[13]JuniperNetworks,Inc.,T2SeriesRoutingPlatforms:SystemandPacketForwardingArchitecture[EB/OL].[2002-11-04].(),,20091