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1、分類號(hào)密級(jí)重慶郵電大學(xué)碩士學(xué)位論文論文題目DiffServ網(wǎng)絡(luò)中帶寬代理機(jī)制的研究英文題目T—heMech—anismofBandwidthBrokeri13Di螨ervNetwork指導(dǎo)教師墅堡±.趲學(xué)科專業(yè)鹽簍氬應(yīng)圍拔盔論文提交日期翌生::!論文答辯日期絲!:!:!論文評(píng)閱人擬瓣箍撕,蕊聊摯敬袁酬悄》答辯委員會(huì)主席7}g止』囝缸旗l面函亢}S2006年4月20日熏庚郟電文學(xué)碩士論文接受摘要現(xiàn)有的互聯(lián)網(wǎng)所提供的是“盡力而為”(best-effort)的服務(wù),^嵌這種服務(wù)模濺下,所有的她務(wù)流公平地嶷爭(zhēng)
2、網(wǎng)絡(luò)資淤,對(duì)IP包傳遞的可靠性、延遲等不能撼袋經(jīng)薅豫諼。{囂隧羲多媒髂避務(wù)茲興超,對(duì)予臻些眷鬻窕、延遮、延遲謄睪羲等姆殊要求的應(yīng)掰來說,“盡力麗為”的服務(wù)顯然是不夠的。由予不其各殿務(wù)質(zhì)墩(QoS,QualityofService)保障特瞧,匿前的困特嘲禿法支持誨夥新的應(yīng)用翻遙程教學(xué)、逡糕手本、遠(yuǎn)程會(huì)議和學(xué)術(shù)交滾等。因此,僳涯網(wǎng)絡(luò)的服務(wù)廈爨成為了?個(gè)遺訝囂聚解決瓣漣戮。本文中,我們深入研究了服務(wù)質(zhì)量的體系綃構(gòu)~一區(qū)分服務(wù)體系結(jié)構(gòu)(DiffServ)。為保證網(wǎng)絡(luò)端到端豹QoS,必須實(shí)現(xiàn)對(duì)網(wǎng)絡(luò)資源的管理,兩
3、這一功縫羲壺資滾黲瑾爨寒實(shí)璦,顰當(dāng)茲謗論矮多翡帶寬代壤。搴文漤壤分援了繁寵代理的體系縮構(gòu)、實(shí)現(xiàn)原理殿相關(guān)的擠泌。帶寬代壤(BB,BandwidthBroker)在提供端剽端的區(qū)分服勢(shì)拜寸,已經(jīng)可弧實(shí)現(xiàn)有保誕翁擎播l疆務(wù),本文介紹一裂1分層弱BB結(jié)構(gòu),著通過對(duì)BB數(shù)據(jù)瘁以及控潮僖感遴行褶旋調(diào)熬,以實(shí)瑗多個(gè)黼絡(luò)醫(yī)域內(nèi)豹潰到璇靜綴播遴信。實(shí)時(shí)的動(dòng)態(tài)接納控制給集中式的骷寬代理帶來了匝大的挑戰(zhàn),本文基于分層帶寬{弋理,實(shí)瓔一茅孛適瘦性資源管理?xiàng)髦?,接納控制程邊緣帶寬代理中執(zhí)圣亍,耐孩?!鞓s窕錢瑗麓態(tài)速分酚疆竣各
4、條援霧#溪路衽±懿糞滾,臻囊縫萊表臻這是~葶f
5、l可行的媲褥區(qū)分服務(wù)的澄源管理得到簡(jiǎn)化的方法。美鍵字:聰分服務(wù),幫寬代理,接納控制,測(cè)量機(jī)制,組播,PoQ,損耗路徑,適應(yīng)性資源管理鬟庚鄄龜大學(xué)碩士論文AbstractThecurrentInteractprovidesbest-efrortservices.In恤isservicemodel.a(chǎn)llofservicetrafficsfairlyoccupynetworkresource,andanyreliabilityanddelayforIPpac
6、ketsarenotguaranteed.Withtherapiddevelopmentofmultimediaservices,thecurrentbest—effortservicesobviouslyareinsufficientforthoseapplic撕onswithsomespecialdemandssuchasbandwidth,delay,delayjitterandSOon.SineethecurrentInteracthasn'tthecharacteroftheguarante
7、eofQoS(QualityofService)?!癱a矗tsupportmail);newapplicationssuchasremoteteaching,remoteoperationandacademicexchangeetc.SoguaranteeingnetworkQoSbecomesaproblemthatneedsresolvedimmediately.Inthisthesis,wedeeplyresearchedthearchitectureof(孢S——D澄S囂鞭瓢guarantee
8、networkend-to·endQoS,wemustimplementthemanagementofnetworkresource.Themanagementisfinishedbytheresourcemanager---一thebandwidthbrokerwhichisdiscussedmostcurrently.InthispaperthearchitectureofBB,theprincipleofimplementandprotocolrelatedtobandwidthbroker瓣c
9、arefullyanalyzed.BandwidthBroker(BB)hasbeenproposedtoprovidescalableend-to·endguaranteeddifferentiatedserviceinunicasting.強(qiáng)earticleproposeamulti—layerBBarchitecture。accordingtodesigningthedatabaseintheBBandtheassociatedcontrolmes