基于NATPT的流媒体调度公平性研究

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1、东南大学博士学位论文基于NAT-PT的流媒体调度公平性研究姓名：宛斌申请学位级别：博士专业：模式识别与智能系统指导教师：吴介一20060801茎重盔塑主丝望苎Nowadays．thestreamingmediatechnology,whichischaracterizedbytransmittingsbⅧhgmulti-mediaprogram，isincreasinglydependentonthenextnetworkpf0呲O卜_IPy6．Thefundamentalcharacterofs仃eamingmediatechnologyduringthetransitionpe^0df

2、rom1Pv4tolPv6isthatitsupportsservicesforbothlPv4and11K,6usersfairly．Therefore．itisnecessarytodesignaprogram-schedulingmechanismtol-ealizcthefaimessofschedulingthestreamingmediaprogram．ThecharacteristicsofthesUearningmediatechnologyapplicationmakeitnecessarytotakemorefactomintoconsiderationwhenimpl

3、ementingthestreamingmediaprogramschedulerth∞theconventionalserverplaymsoul"c∞scheduling．Moreover,theimplemantingmechanismofmobiles仃eamingmediaprogram-schedulingisdifferentfromstreamingmediaprogram-schedulingintheenvironmentofIntemet．Therefore，thepaperfocusesOll$evemlaspects，suchastheilltefpreta舡曲g

4、atewayofthelPv4／IPv6inmme=tworkinthestreamingmediaprogramplayingnetworksys把m，theschedulingstrategyofthestreaaningmediaprogramonInternetandtheschedulingstrategyofmobilestreamingmediaprogram．Byanalyzingandcomparingthepresentstreamingmediatechnology,thepaperdiscussesthekeyproblemsofrealizingthestream

5、ingmediaprogram·schedulingfalmess缸thetransitionperiodfromIPv4t01Pv6．BasedonthedorainantNAl：PTtransitiontechnology,thepaperdesignsthemodelingofstreamingmediaprogram-schedulingprocess，andproposesanewalgorithm——MFPQ下oft11estreamingmediaprogram-schedulingfoft11etransitionpedod，111eschedulingfairnessof

6、MFPQTisalsoanalyzedandvalidated．Finally,thepaperalsodiscussesandsolvesthephenomenonofunfairnessinmobilestreamingmediaprogram-schedulingduringthetransitionperiodfromlPv4tolPv6，and、^，FSB．MFPqralgorithmjsputforwardbasedthejdenofWFSandMFPQT．111isresearchworkofthedissertationissupportedby‘'NGNlPv6Coope

7、rationprojectbyChinaandJapan(IPv6-CJ[2003]1607)”andtheresearchanddevelopmentproject“Himalayas'’ofLENOVO．K昭Words：IPv4IPv6NAT-PTstreamingmediaschedulingalgorithmfairnessmobilestreamingmediaSon：记393lI东南大学学位论文独创性声明本人