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ID:36454122
大小:3.00 MB
页数:97页
时间:2019-05-10
《互联网流量控制与资源分配机制的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、北京邮电大学博士学位论文互联网流量控制与资源分配机制的研究姓名:袁刚申请学位级别:博士专业:通信与信息系统指导教师:程时端20040508北京邮【也火学博士论文Abs[rac[AbstractFlow7controlandresourceallocationmechanismsareelementaryforQualityofService(QoS)assuranceintheIntemet.TCPflowconwolshemeisdeficientinefficiency,optimalityandfairness.Ⅵ7hi】esomeoptimizedflowcontro
2、lschemes.basedoncongestionpricingandundertheguideofmicroeconomicstheory,CanimprovetheusageofnetworkresourcesandprovideproportionalfairnessassuranceforthenetworkusersTheoptimizedflowcontrolschemesperformwellandreceivemuchattentionrecently.Inthisdissertation,theseoptimizedflowcontr01schemesar
3、eappliedindifferentnetworkenvironmenttOsolvetheproblemsrelatetOflowcontr01.Themaincontributionsinthedissertationareasfollows:(】)AnoptimalratecontrolschemeMoresisproposed,Morcsachievessystemoptimizationbymaximizesocialwelfarebymeansofwell—designedlinkpricingfunction.Moresistestifiedexperimen
4、tallyandtheoretically.Furthermore,aMorcs,anadaptiveversionofMorcs,isproposed.SinceaMorcsdoesnotneedtheparticipationoflinks.itcarlbeimplementedmoreeasily.AMorcshassimilarperformancetOMorcs.(:1TheconceptionofcongestionpricingisappliedtOtrafficconditioningschemeinDiffSer、-networks.Combinedwith
5、t订℃Malgorithm.acongestionpricingbasedtrafficconditioningschemeCPDTCisproposed.SimulationresultsindicatethaiCPDTCguaranteesfairnessamongAFaggregateflows,controlsthecongestioneffectivel3’.andimprovesthegoodpUtofaggregatesinDiffServnetworks.(3)Anewparameter,DistributableTraffic,isdefinedtOdesc
6、ribetheloadofLSPcomprehensively.ThenbasedonDistributable1’ra伍c.anadaptiveMPLStrafficdistributionschemeDTMDisproposedtOperformtrafficdistributioninMPLSnetworks.DTMDisscalablebecauseonlyLERsarerequiredtOperformspecialfunctionSimulationresultsindicatethatDTMDisstableevenindynamicnetworkenviron
7、ment.ItdistributestrafficontoparallelLSPsmoreevenlyandfairly,(4)GametheoryisappliedtOoptimiziedflowcontrolandresourceallocationinmulti—hopadhocnetworks,andanewflowcontrolschemeisproposedtoachievesystemoptimization.Thenewschemeprovidesmax·minfairnessandpr
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