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时间:2021-01-25
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1、论文附件槌酰驾骟冬顽晦中盒疑蘖砗砩角一、英文原文著穷鸥贶吻糨腚镫寇痘鎏纺楔土Understandingmulticaststations佐唢伐旖洌诀匕嬷啤帔喔滟弋渴AstationisusedtomulticastanASFstreamtoaclient,specificallyMicrosoftWindowsMediaPlayer.Multicastingminimizesthenetworkbandwidthused.IfclientsdonotusethestationtoreceivetheASFstream,theneachclientrequiresitsownc
2、onnectiontoaserver.Thisquicklyconsumesnetworkbandwidthandlimitstheabilityofthenetworktodeliverinformation.设髻灬畿孔岬錾趁捩兑漠羌勺浦Distributionmodeisastationcharacteristicthatdefineswhetherastationistobeusedformulticasting,distribution,orboth.跚筮瀚荔履慰藜厉真皑垫塞绋菀·MulticaststationsdeliverASFstreamstomanyclie
3、ntsbutuseonlythebandwidthofasinglestream.洎揪侍栉潞氰橹贸闸药硕贿祉睛·DistributionstationsdeliverASFstreamstootherWindowsMediaserversviaunicast.AstationthatissolelyadistributionstationdoesnothaveanIPaddressorport,soclientscannotviewthestreamthatthestationdelivers.网兴灌昀腋唠芳辉氤艘劫硬辍酡·Stationsenabledformulticas
4、tanddistributiondeliverASFstreamstootherWindowsMediaserversviaunicast.ClientscanalsoviewtheASFcontentonthisstationviamulticast.沣笳忙沅堙燔舜奖仲毗劢蔺穿姝真峙氦拧曳委襄榕宛勐脏认锬洌AstationcontainsalltheinformationneededtodeliveranASFstreamtoWindowsMediaPlayer,includingIPaddress,port,streamformat,time-to-live(TTL)va
5、lue,andsoon.Thisinformationisstoredinan.nscfile.簇阢渊酋亏蜞眇束斐遗台粱傥矩WindowsMediaPlayermustbeabletoaccessthe.nscfilesothatitcanlocatetheIPaddressthatthestationisusingtostreamASFcontent.The.nscfileistypicallymadeavailabletoWindowsMediaPlayerfromasharednetworkdirectoryorfromaWebserverdirectory.Windo
6、wsMediaPlayerextractstheURLtothe.nscfilewhenitopensanannouncementthatisdeliveredtoitinanemailmessage,viaUNCpath,orfromaWebpagelink.中卺根颇柰由守辚厣苣庭布浑田TheMulticastStationspageinWindowsMediaAdministratoristheaccesspointforcreatingandmanagingstations.Thispagealsoprovidesaninterfacefororganizingstre
7、amsintotheprogramsdeliveredonthestationsyoucreate.俺尖哔唑邃人滩鞭期喹黛逄咬嗓Understandingdistributionstations铴拳酚鼠庞喁魑罢盂觊忙悔裔送Adistributionstationisahelperstation.ItdeliversanASFstreamfromWindowsMediaserverAtoastationonWindowsMediaserverBsothatWindowsMediaserverBcanmul
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