服務(wù)器可控的樹型P2P信息發(fā)布系統(tǒng).pdf

1、中山大學(xué)碩士學(xué)位論文服務(wù)器可控的樹型P2P信息發(fā)布系統(tǒng)姓名：李志陽申請學(xué)位級別：碩士專業(yè)：軟件工程指導(dǎo)教師：農(nóng)革20100528中山大學(xué)碩士畢業(yè)論文服務(wù)器可控的樹型P2P信息發(fā)布系統(tǒng)Title：Major：Name：Supervisor：P2PInformationPublishingSystemwithServerControllableTreeLike一●lOpologySoftwareEngineeringZhiyangLiAss

2、ociateProfessorGeNongAbstractTraditionalinformationpublishingsystemsgenerallyadoptclient／servermode，whichhassomeproblemssuchassinglepointoffailureandpoorscalabilityWiththeemergenceofP2Ptechnologyalotofinformationpublishi

3、ngsystemsapplyP2Ptobuilddistributedapplicationsduetoitsrobustness，loadbalancingandsuperiorcosteffectiencyInadditionwithincreasinglyfiercecompetitioninnetworkservices，personalizedservicesarebecomingmoreandmorebeneficialIn

4、viewsofthis，moreandmoreinformationpublishingsystemsclassifytheusersbyzonesandprovidetargetedservicesaccordingtodifferentzonesCurrentlyP2Pinformationpublishingsystemfocusonconstructinginformationforwardingmulticasttreebas

5、edonP2Ptopology，whereasallinld印mstudyonthezoningmechanismisneededThispaperdesignsacentralizedP2PtopologyandaSC(servercontrollable)treetopologyanddevelopsaprototypesystemofsubjectorientedP2PpublishingsystemandSC_IPS(serve

6、rcontrollableinformationpublishingsystem)IntheSCtreetopologytheservercalladjustzonesdynamicallywhichbringstheP2PinformationpublishingsystemthetopologycontrollabilityFurthermore，thispaperpresentsvariousmeasurestomaintaint

7、heintegrityoftopologyandmeanwhile，proposesaloadbalancingstrategybyusingzoneinformationTheSC_IPSsystemnotonlyoffersbasicthemessubscriptionandinformationreceiving，butalsealizesthefunctionofsendinglocalnewsAsaresult，differe