design and implementation of video streaming hot-plug between wired and wireless networks u

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1、ÓTheAuthor2006.PublishedbyOxfordUniversityPressonbehalfofTheBritishComputerSociety.Allrightsreserved.ForPermissions,pleaseemail:journals.permissions@oxfordjournals.orgAdvanceAccesspublishedonJune3,2006doi:10.1093/comjnl/bxl025DesignandImplementationofVideoStreamingHot-plugbetweenWiredandWirelessNe

2、tworksUsingSCTPChung-MingHuang,Ching-HsienTsaiandMing-ChiTsaiLaboratoryofMultimediaMobileNetworking(LMN),DepartmentofComputerScienceandInformationEngineering,NationalChengKungUniversity,Tainan,Taiwan,70101,RepublicofChinaCorrespondingauthors:huangcm@locust.csie.ncku.edu.twVideostreaminghot-plugi

3、sdefinedaskeepingvideostreamingtobecontinuouswhenahostisswitchedfromwired/wirelesstowireless/wirednetworks,orfromonewirelessnetworktoanotherwirelessnetwork.Inthispaper,videostreaminghot-plugmechanismsusingStreamControlTrans-missionProtocol(SCTP),whichisanewtransportlayerprotocolsupportingmultihomin

4、g,areinvestigated.UsingSCTP,ahostcanestablishmultiplepaths,e.g.onethroughthewirednetworkandanotheronethroughthewirelessnetwork,tocommunicatewithitspeer.TwoSCTPextensions,theSCTPADDIPextensionand(PartiallyReliable)PR-SCTPareadoptedtoimplementthecor-respondingsystemcalledMOVIDEO.TheSCTPADDIPextensio

5、nenablesthehosttodynamicallyconfigureIPaddressesandtheprimarypathusedfortheassociation,whereasPR-SCTPprovidesapartiallyreliabletransmissionoptionforthehosttotransmitdata.PerformanceevaluationoftheMOVIDEOsystemisprovidedinthispaper.InadditiontoMOVIDEO,threeotherconfigurationsofSCTP,includingthetrigge

6、ringpatternsofchangingprimarypathandthetransmissionpatternsofstreamingvideodata,areimplementedforperformancecomparison.Theexperimentalresultsdemonstratethat,usingtheproposedSCTP-basedvideostreaminghot-plugmechanism,theconnectionofthevideostreamingservicewouldnotbebrokenandtheplayoutofthevideocanbe

7、keptsmoothduringtheprocessofvideostreaminghot-plug.Keywords:Wirelessnetwork,videostreaming,streamcontroltransmissionprotocol(SCTP),hot-plugReceived21July2005;revised27April20061.INTRODUCTIONapplications,pulloutth