基于P2P的可運(yùn)營MDN的實現(xiàn)與內(nèi)容分發(fā)策略的研究.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文基于P2P的可運(yùn)營MDN的實現(xiàn)與內(nèi)容分發(fā)策略的研究姓名：孔柏漢申請學(xué)位級別：碩士專業(yè)：網(wǎng)絡(luò)傳播系統(tǒng)與控制指導(dǎo)教師：王雷20090501AbstractABSTRACTNowadays，theintermediaservicehasbecomeallimportantserviceinInternetTorealizethebusinessopermionofmediaserviceonIntemetwhich

2、transfersdatainbesteffortwaywehavetodevelopasetofnetworksolutiontoensurethereliabilityofdatatransportationWhat’Smore，wealsoneedtoensuretheflexibilityconfigurationofthesystem；theintelligence，adaptabilityofthecontentdelive

3、ry；andtheefficiencyofthedirectorysearchThethesisdiscussedthegeneraldesignofMDNbrieflyandfocusedonthedesignandimplementationofMMandDSonthebasisofMDNdesignTheMMadoptedthestructureconcepttoimplementthecontentdistributionmod

4、uleandstatisticdatacollectionmodulewhichensuretheflexibilityandconfigurationtealizethebusinessoperationOnthebasisofprofessionalpeernodeofMDN，DSadoptedthecentraldirectorysearchstrategyplusdistributedsubdirectorysearchtoen

5、surethescalabilityThepaperproposedthedualmemorydirectoryminorandhashtablesearchconcepttoensuretheefficiencyofdirectorysearchOnthedesignandimplementationofcontentdistributionmodule，weintroducedthecontentsplitconcepttoMDN；

6、basedonuseraction，weproposeddualweighvalueconfigurationtomeettherequirementofcontentpopularitydifference；weintroducedthehashconcepttodesignatethemainPNtosolvetheloadbalanceproblememergedinPNservercluster；inordertoallevia

7、tethecostofcontentadjustment，weproposedsequentialstoragefrommainstoragePNstrategyandconceptofcontentadjustmentfromrearTheproto—typesystemhasbeenrunninginShanghaion3TNetsuccessfullyformorethanoneandhalfayeartoprovidehighq