1、哈爾濱理工大學碩士學位論文LINUX系統(tǒng)下NAT穿越方法的研究姓名：連樹國申請學位級別：碩士專業(yè)：計算機應用技術指導教師：王培東20090301哈爾濱理工大學T學碩十學位論文ResearchonN齷TraversalMethodBasedOilLinuxSystemAbstractWiththerapiddevelopmentofIntemet，especialtheemergenceofP2Ptechnologyagrowingnum

2、berofusersconnectedtothenetwork，tomakeuseofthetechnologytoexchange，totransferfiles，toprogressdistributedcomputingTheapplicationofP2PtechnologyneedsnecessaryandlegalIPaddresses，howevertheshortageofIPaddressesseriouslylimi

3、tesawiderangeofapplicationsoftheP2PtechnologyintheexistingnetworkenvironmentInordertosolvetheproblemofinsufficientnetaddressresources，networkaddresstranslationtechnologyisproposedItisbettertosolvetheproblemoftheshortageo

4、fpublicnetworkIPaddress，andtOensurethenetworksecuritywhileNATalsoaffectedthedirectpeertopeercommunicationsnetworkAtthesametime，widespreadadoptionofNATcircumstances，advantagesofsymmetricNATsuchassecurityfeatures，areaccept

5、edbyalargenumberofenterprisesAlthough，itiSbasedonthepopularSTUNforUDPthroughtheNATtomakeaveryexcellentsolution，itisnottotraversethesymmetricNATInordertotraversesymmetricNATthedissertationisbasedontheNATfunction，principle

6、，andthebasicprincipleoftheexistingprogramthroughtheNATtodofurtheranalysis，bycomparingtheresearchtoidentifytheexistingdeficiencies，andcombiningwiththewayofP2PNATthroughtheporttoproposethemethodThemethodisbasedonthepredict

7、ionandusethebuildingandsendingengineofLinuxkernellibnetpacketaswellasthecapturingengineoflibpcappacketthedissertationproposesthepredictionalgorithmbased0ntheNATportmappingstructureItisnotonlytocompilethetraversingalgorit

8、hmofclientwiththeserver—sidebasisofthepredictionatports，butalsotoexpoundtheimplementationprocessoftheNATtraversingalgorithmandtoverifyitsfeasibilityfurtherlyFinallyweusevirtualmachinetosetupNATtraversalenvironment，itisim