高速互联网流量工程和性能测量技术的研究

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1、北京邮电大学博士学位论文高速互联网流量工程和性能测量技术的研究姓名：倪县乐申请学位级别：博士专业：通信与信息系统指导教师：丁炜20041213ABSTRACTThenextgenerationInternetaimstOachievetheCarrier—classIPQoS，whichshouldbeintegratedwithmultifarioustechnologies，interactionwithmulti．1ayers(suchasApplicationlayer,Transportlayer,Networklayer

2、,LinklayerandPhysicallayer)andmulti-planes(suchasDataplane，ControlplaneandManagementplane)．TrafficEngineeringTechnologyofControlplaneandQoSperformancemeasurementmethodologyofManagementplanearetwokeytechonologiesandhotspots．Thisdissertationispartofresultsoftheproject‘‘S

3、tudyonintergratedsolutionsforInteractTrafficEngineering'’sponsoredbyResearchFundfortheDoctorProgramofMOE，China(GrantNo．20020013011)andservalengineeringprojects．Themainissuesofthispaperare：Chapter1introducesthearchitectureoftheCarrier-classIPQoSmthenextgenerationInteren

4、t，reviewstheevolutionofTrafficEngineeringtechnology,anddiscussestheclassflcationandmetricssystemofperformancemeansurement．Thenthemainissuesandresultsofthispaperarebrieflyintroducedinthischapter．Chapter2mainlydiscussesthestaticanddynamicWaf五Cengineeringroutingalgorithms

5、．Based01"1thethoughtofthesimulatedannealingsearchapproach，aheuristicstatictrafficengineeringroutingalgorithmisputforward．ARermodelingthedynamictrafficengineeringusingmulti·objectiveoptimization(includingmimimuminterference，mimimurncongestionandmimimumdelay)，anoveldynam

6、icroutringalgorithmbasedoncompromiseapproachisproposed．Computersimulationsvalidatethefeasibilityandefficiencyofthealgorithms．Chapter3analysesthenewissuesofDiffServ-awaredMPLStrafficengineering．WiththeRDMbandwidthmanagementmodelofmulti-priority,araffleengineeringrouting

7、andpreemptionpolicyisproposedwhichusedfordynamicmulti-priorityrouting．AnddicussestheimplementschemeusingMPLSsightingprotocol--CR-LDP．Chapter4summarizestheexistingapproachesforend-．to．-endperformancemeasurementintheIntemetandfocusesontheboaleneckbandwidthandavailableban

8、dwidthmeasurementmethodology．Anoveladaptiveavailablebandwidthmeasurementapproachisputforward，whichenhancesthepractica