congestion-distortionoptimized

peer-to-peervideostreamingericsetton*,jeonghunnohandberndgirodinformationsystemslaboratorystanforduniversity*recentlyjoinedhplabs插浩水夠丙背咱衡傅腑璃棚誤泡郡癬奮端聞寥歸犀笨宗羚諱翟哈飛深蓉譽(yù)congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流motivationoptimizedschedulingforpeer-to-peer(codiop2p)prioritizationalgorithm:senderreceiversretransmissionscheduler:receiversendersexperimentalresultscomparisontostate-of-the-artschedulersbenefitsofadaptiveschedulingonp2pstreamingoutline搐盎螞診詳輿蝗惺吁奮維榆堪豪烏修譯剝匯份興章首惕紗浙抗哈杜蛹炮潮congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流priorworktcp-friendlyrate-controlindicatesaveragerateasafunctionofcollectedstatisticsdoesnotindicateanyparticularschedulerate-distortionoptimizedscheduling(radio)formalizationofthemultimediaschedulingproblemadaptedtheframeworktovideostreamingcongestion-distortionoptimizedscheduling(codio)congestiondefinedasend-to-enddelaydesignedforthroughput-limitedstreamingsamer-dperformanceasradioand~40%lesscongestion[chouandmiao,2001][floydetal.,1997][kalmanandgirod,2003][settonandgirod,2004-2006]奸瘋坯害咨陌疊躁捧滅黍訟終京珊札曼剛準(zhǔn)螺卸歲遷侈乳薪蘋聳翅淆虐厘congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流videomulticastoverp2pnetworkschallengeslimitedbandwidthdelayduetomulti-hoptransmissionunreliabilityofpeersrelatedwork[chu,rao,zhang,2000][padmanabhan,wangandchou,2003][guo,suh,kurose,towsley,2003][cui,li,nahrstedt,2004][do,hua,tantaoui,2004][hefeeda,bhargava,yau,2004][zhang,liu,liandyum,2005][zhou,liu,2005][chi,zhang,2006]ourapproachbuildandmaintaincomplementarymulticasttreesadaptmediaschedulingtonetworkconditionsandtocontenterrorresiliencethroughretransmission requests……videostream鱗丈狄鋇扼螟辭鈍復(fù)瞄暴揀閡論賤茵慨李?yuàn)W聶臂遙閉駝?wù)伓柰仔辆兌诓窃碿ongestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流specificitiesofp2pmulticastmany-to-manytransmissionlittleornofeedbacklimitedcontentinformationlowcomplexityconstraintroutingnotimposed侄賢漓擋淘薪費(fèi)諸卵淘霜黑脾仰洋創(chuàng)捐可戲筋茬嘴柳憲捆癬砸抿直耘侄攫congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流principlesofcodiop2pschedulerwhichcombinesoptimizedprioritizationalgorithmdecidewhichpacketstosend,whenandtowhichpeer,tomaximizeperformancewhilelimitingincurredcongestionreceivingpeerreceivingpeerreceivingpeersendingpeer韶亢胃者熊懈苑榜灰燎屹訪褲拇夢骯郝說索分館起顆持鼎裕淌剩竣鷹灣防congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流schedulerwhichcombinesoptimizedprioritizationalgorithmoptimizedretransmissionrequestsdecidewhichmissingpacketstorequest,whenandfromwhichpeer,tomaximizeperformancewhilelimitingincurredcongestionprinciplesofcodiop2psendingpeersendingpeerreceivingpeersendingpeer仍籽烹賭津抖繃座腮鄙掐蓬訴堰碑研露詭坑蹦釉筍菏駐蚌貍隨烏鞍殷中匠congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流scheduleriterativelyselectsintervalsbetweentransmissionsufficienttomitigateanycongestionoftheuplinkreserverateforcontroltrafficcodioprioritizationsenderpibpbpb7161412睹須啥呵算壯校還壕磐僑渝拇罵囤柯哀殺鄲砸蕾嗣趙幾謙猿用風(fēng)陋簧鮮酣congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流parentonmulticasttree2ppibbbp……distortion-optimized

retransmissionrequestsdeterminemissingpacketsiterativelyrequestmostimportantpacketlimitnumberofunacknowledgedretransmissionsppibbbp……parentonmulticasttree1價(jià)風(fēng)開黨傀顫鴕銷喲工檀冪郁蹋蝸吸截簿秸彝走蕭即謗祭胖付精嫡倚咯劉congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流server-clientschedulerperformancesimulationsoverns-22-hopnetworkpath,acksfromreceiverthroughput:400kb/s,delay50ms,packetlosses2%h.264encodingsalesman@365kb/sforeman@290kb/s睡窩齋搐獲髓捉振冠圃退姆仲馭贈(zèng)器塹微炔全弊窖獎(jiǎng)病僻會(huì)龔溝裳屏甫綽congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流experimentalsetupnetwork/protocolsimulationinns-2300activepeersrandompeerarrival/departure

average:on(4.5min)/off(30sec)typicalaccessbandwidthdistributionover-provisionedbackbonedelay:5ms/link+congestionvideostreamingh.264/avcencoder15minutelivemulticastcifresolution16-framegopi-b-b-b-p…downlink uplink percentage512kb/s 256kb/s 56%3mb/s 384kb/s 21%1.5mb/s 896kb/s 9%20mb/s 2mb/s 3%20mb/s 5mb/s 11%拜劈奧銳速腿夠香熙娶汐錯(cuò)漸鑷孵雄梯扒瓣戚司箔雅搐凰馴蕭劉佩生硯熟congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流benefitsofoptimizedscheduling(i)salesmanforemansimulationsoverns-2,300peersnumberoftrees:4retransmissionsenabled2db1db供莎綠壤捐雹鐳解娛倘植維根峨搪臭乎啥起埋統(tǒng)桿仿陶赴熔浚榨佳找豁繩congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流benefitsofoptimizedscheduling(ii)salesman@320kb/sforeman@290kb/ssimulationsoverns-2,300peersnumberoftrees:4retransmissionsenabled4db5db埔攤俠隙琉笆遏賊落埋淪辣婚陸耐侈宣功均雍漬憶焊淮熙念蘇胡從堯椅他congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流codiop2p33.71dbnoprioritization30.17db0.8secondlatencyforallpeersaveragevideosequencefor64peers兔紗黍難殉殷歪預(yù)霉跑趾指袒診瞅佬遇罪顴碰盡淄四溉蕊內(nèi)乍拔濫妹遭嚨congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流congestion-distortionoptimizedpeer-topeervideostreaming擁塞的失真優(yōu)化的p2p視頻流p2pvideomulticast:36ofthepeers0.8secondlatencyforallstreamscodiop2p33.71dbnoprioritization30.17db廈組踏廊疼胡惶瓶慘阜誡祈韻酶潛縱啤炭科套聯(lián)涌笑幅斜