混合P2P網(wǎng)絡(luò)基于后備超級(jí)節(jié)點(diǎn)的容錯(cuò)機(jī)制研究.pdf

1、北京交通大學(xué)碩士學(xué)位論文混合P2P網(wǎng)絡(luò)基于后備超級(jí)節(jié)點(diǎn)的容錯(cuò)機(jī)制研究姓名：胡雨時(shí)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)科學(xué)與技術(shù)指導(dǎo)教師：于雙元20090601Inrecentyears，PeertoPeertechnologyhasbeenwiddyused，andbecomesthemainapplicationtypesthatconsumealargefractionofIntemettrafficWi吐ltherapiddevelop

2、mentofP2PtechnologyithasbeenconcernedbycomputerindustryHowtoimprovetherateofsuccessfulqueryandenhancethecapacityoffaulttolerance，hasbecomethemainworkofP2PnetworkTIlispaperwillresearchthefaulttoleranceofSuperpeersP2Pnetwo

3、rkwhichisakindofHybridP2PnetworkInthispaperWeanalyzedthefaulttolerancecapabilityandthetechnologyoffaulttoleranceofthreetypesofP2Pnetworktopology；andthencomparedthetechnologyoffaulttoleranceofhybridP2Pnetworkfromfaulttole

4、rancecapabilityandfaulttoleranceoverhead；improvedafaulttolerancemechanismbasedonbackupsuperpIee俗：StartfromthemindofReputationAwareAlgorithm，selectapartofpeersfromthegrouptobethebackupsuperpeers；makesureallthebackupsuperp

5、eersareinabiconnectedstate；addmonitoringmechanismtothebackupsuperpeerstomonitorthestateofsuperpeerIfthesuperpeerfailsoneofthebackupsuperpeerswillreceivethemessageThispeerwillusebreadthergodicinbackupsuperpeerbiconnectedg

6、raphtochooseabackupsuperpeer、歷ⅡlthehighestreputationTIlechosenpeerwillbecomeanewsuperpeertoprovideservicesforpeersinthegroupInthispaperWehavecarriedoutasimulationandatestoftheabovefault—tolerantmechanismTheresultshowstha

7、taftertheapplicationofthefault—tolerantmechanism，thequerySUCCesSrateofP2Psystemisgreatlyimproved，whilethefaulttoleranceoverheadiSnottoomuchKEYWORDS：H。ybridP2PNetwork；BackupSuperPeer；Fault—toleranceCapability；BiconnectedG