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1、AbstractAsthebasicprotocolforInternetcommunicationatpresent,TCP/IP,whichoffersaunifiedwaytocommunicatethroughdifferentnodes,iswidelyappliedinvariouscommunicationenvironmentsandhasbecomethebasisofInternet.ButtheoriginalTCP/IPprotocolisdesignedandrealizedforthetransmissi
2、onenvironmentofWANInternet,itisunabletooptimalfitsomecommunicationenvironmentswhichmayhavehigherrequirementsofreal-time.ThispaperfocusonaspecificVITAcommunicationenvironmentbasedonreal-timelocalareanetwork,andmakesanefforttoresearchandrealizetheextendedTCP/IPprotocol.F
3、irs什y,thispaperintroducedthewholedesignofVITAreal-timecommunicationsystem,thenitintroducedthewholedesignofreal-timeprotocolinVITAreal-timecommunicationsystemfromtheperspectiveofextendedreal-time,includinghowtodevelopreal-timeprotocolinthesystem,howtoimprovethereal-time
4、qualityoftheprotocolfromitsimplementationmechanismaswellasinternalalgorithmlevel.Andinthefollowingsections,itdetailedthedesignandimplementofthereal-timeprotocol,includingtherealizationofopen-sourceprotocolgriftinginthemainnodeandnodeenvironment,theimplementationofthest
5、ructuredesignofhowtheprotocolservethetransmission,andthechangefromthereal-timeaspectoftheinternalalgorithm.Intheend,itisthesimulationandexperimentalresultsoftheproposedreal-timeprotocol,anditssuccessfulapplicationintherealprojectsystem.Thispaperultimatelyachievereal-ti
6、meprotocolinmainandsub-nodesoftheprojectsystemthroughgrifttheexcellentopen-sourcereal-timeprotocolLwIPtransplantationintoWindowsRTXreal-timeextensionsystemandno-operatingvirtualmachineenvironment,Extendedreal-timeoftheprotocolfromitsimplementationandinternalalgorithmle
7、vel.AndfinallymeettherequirementsfromVITAreal-timecommunicationsystemoftheprotocolonitsfunctionalityandperformance.Keywords:TCP/IP;real-timecommunication,LwIPprotocol,extendedreal-timeRTX摘要Abstract目录第1章绪论1.1课题的来源及研究目的和意义1.1.1课题的来源1.1.2课题的研究目的和意义1.2国内外研究现状分析1.2.1协议栈实时性优
8、化国外研究现状1.2.2协议栈实时性优化国内研究现状1.2.3协议栈实时性优化研究现状总结1.3本课题的研究内容1.4本文的组织结构第2章VITA实时通信系统总体框架2.1VITA实时通信系统分析2.2VITA实时通信系统设计决策2.
