SLA管理关键技术及其在下一代互联网中的应用

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1、北京邮电大学博士学位论文SLA管理关键技术及其在下一代互联网中的应用姓名：张奕奎申请学位级别：博士专业：计算机应用技术指导教师：孟洛明20061001北京邮电大学博上学位论文{SLA管理关键技术及其在F一代互联网中的应用》究了业务质量综合评价模型并提出了基于策略的业务质量评价系统的体系结构，描述了业务质量评价过程并分析了该业务质量评价系统的特点。同时，基于定义业务质量评价策略的需求，对策略核心信息模型进行了扩展，定义了业务质量评价策略信息模型。关键词：SLA管理，QoS管理，策略管理，下一代互联网，SLA监测，SLA参数定义，S

2、LA业务实现，业务质量评价，网络管理第ii页北京邮电大学博士学位论文《sLA管理关键技术及其在下一代互联网中的应用》THESTUDYOFKEYTECHNOLoGIESANDAPPLICATIoNSOFSLAMANAGEMENTFoRNEXTGENERATIoNINTERNETABSTRACTOneofthemosttypicalcharacteristicsofNGI(nextgenerationIntemet)isthatNGIcanprovidethedifferentiated，customized，QoS(Quality

3、ofService)guaranteedservices．SLA(ServiceLevelAgreement)managementisamainareaofQoSmanagement．Therefore，theSLAmanagementbecomesoneofhottopicsofthenetworkmanagementofNGI．theexistingkeytechnologiesofSLAmanagementcan’tmeetthemanagementrequirementsofNGI．thus，Thekeytechnolo

4、giesofSLAmanagementforNGIaresystematicallystudiedinthisdissertation．themaincontributionofthisdissertationiSasfollows．(1)SLAparametermappinghierarchyisproposed，therelationshipofservicehierarchy，SLAhierarchyandSLAparametermappinghierarchyisstudied，thefimctionalrequirem

5、entsofdifferentlayersSLAparametersareconfirmed．Furthermore，theexistingproblemsofKQI(KeyQualityIndicator)developmentmethodologyareimproved，thus，ageneralandintegralSLAparameterdefinitionmethodisproposed，theactionandprocessofeachstepamongthemethodisdescribedindetail．the

6、methodcanrealizereuseofSLAtemplate．theproblemonsimultaneouslydefiningdifferentlayersSLAparametersissystematicallysolvedbymappingproductKQItOserviceKQI．(2)TheproblemsonNGIServiceImplementationandthenewmanagementrequirementsintheenvironmentofmultiNP(networkproviderlare

7、analyzed．thelayeredservice—orientedmodelforDif毽en，isimproved，andanintegralIPserviceimplementationmechanismisproposedsupportingworkflowmanagementandpolicymanagement．thefunctionsoffunctionalblocksaboutIPserviceimplementationareanalyzedindetail，AnIPserviceimplementation

8、processbasedonthe第iii页北京邮电大学博士学位论文(SLA管理关键技术及其在下一代互联网中的应用》abovemechanismisdescribed．Thus，theproblemofmappingCustomerSLStoProviderSL