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ID:36412128
大小:6.82 MB
页数:76页
时间:2019-05-10
《SUPANET多粒度服务质量协商协议研究》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、西南交通大学硕士学位论文SUPANET多粒度服务质量协商协议研究姓名:李娜申请学位级别:硕士专业:计算机应用技术指导教师:窦军20090501西南交通大学硕士研究生学位论文第lI页拓扑结构,一个针对单播应用,一个针对组播应用。通过对仿真结果的比较和分析,验证了作者所提出的机制的可行性和有效性。关键词:单物理层用户数据交换平台体系结构;面向以太网的物理帧时槽交换技术;服务质量协商协议;组播;资源预留西南交通大学硕士研究生学位论文第1II页ABSTRACTnisanirresistibletrendthattelevisionnetwork,te
2、lephonenetworkandcomputernetworkmergeintoallintegratedone.However,existingnetworkarchitecturesarehardtosupplyQoSprovisioningfordifferentapplications.SUPANET(SinglephysicallayerUser-dataswitchingPlatformArchitectureNETwork),introducedbySichuanNetworkCommunication‘,KeyLaborat
3、ory(SC-NetcomLab),simplifiestheuser-datatransferplatform(U-platform)intoasinglephysicallayerandembedQoSmechanismsint0it.Inthisway,SUPANETCanefficientlyprovidetheQoSrequiredbydifferentapplications.QoSNPisanimportantpartinSUPANET,whichnegotiatedone.VirtualLineandobligatedtheq
4、uotatomeettheQoSprovisioningfordifferentapplications.ItisveryimportanttoimproveandperfecttheQoSNPtomakeitmorecapablewhenprovidingtheQoS.Thisthesisfocusesonperfectthe’QoSNP,makingithasmorefunctions.TheuserCanusedifferentfunctionsfor,differentneeds.Multi-granularityQoSNPisthe
5、majorconsiderationinthisthesis.Itresolvestheloopproblem,dynamicallyadjustquotaissue,andsupportthemulticastwhichisnotin-depthconsideredintheearlyversionofQoSNP.TherearethreenewoperationsinMulti-granularityQoSNP(MQoSNP),New,AddandDec.TheNewoperationwhichintroducesanewschemefo
6、ravoidingloopistoresolvetheloopprobleminacyclicnetworktopology.TheAddoperationCanincreasethequotaofoneVirtualLineandimprovetheQoSaccordingtouser’needs.TheDecoperationisopposffetoAddoperationwhichCandecreasethequotaofoneVirtualLineaccordingtouser’meeds.MQoSNPCanmakeVirtualLi
7、nenegotiationandnetworkresourceusagemoreeffective.Meanwhile,thethesisanalyzesthepotentialexceptionsandprovidestherelativeoptionalsolutions.ThisthesisraisesanewQoSnegotiationmanner,ReverseSingle-DirectionNegotiation(RSDN),afteranalyzedthespecialfeatureinthemulticastapplicati
8、ons.Besides,threenewoperationsareaddedinMQoSNPtosupporttheEnd-systemgroupmembershi
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