reputation management framework and its use as currency in

《reputation management framework and its use as currency in》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、1ReputationManagementFrameworkanditsuseasCurrencyinLarge-ScalePeer-to-PeerNetworksRohitGuptaandArunK.SomaniDependableComputingandNetworkingLaboratoryDepartmentofElectricalandComputerEngineeringIowaStateUniversityAmes,IA50011E-mail:rohit,arun
@iastate.eduAbstr

2、act—Inthispaperweproposeareputationmanagementresources/servicestheyprovide.Theserviceprovidersarewill-frameworkforlarge-scalepeer-to-peer(P2P)networks,whereinallingtoservenodeswithhigherreputationtoincreasetheirownnodesareassumedtobehaveselfishly.Theproposedfra

3、meworkreputation.Theearnedreputationinturnmakesiteasierforhasseveraladvantages.Itenablesaformofvirtualcurrency,suchthemtoobtainservicesinfuture.Thus,theobjectiveofnodesthatthereputationofnodesisameasureoftheirwealth.Theframeworkisscalableandprovidesprotectiona

4、gainstattacksbyistomaximizetheirreputationasviewedbyeverybodyelseinmaliciousnodes.Theabovefeaturesareachievedbydevelopingthesystem.trustedcommunitiesofnodeswhosememberstrusteachotherInordertobeusefulasasubstituteforactualcurrency,weandcooperatetodealwiththepro

5、blemofnodes'selfishnessandidentifythefollowingminimumguaranteesthatareputationpossiblemaliciousness.managementframeworkneedstoprovide.Itshouldbeeasierfornodeswithhigherreputationtoaccessnetworkservices.I.INTRODUCTIONWhentwonodescontendforaserviceandonlyoneofthe

6、mcanbeserved,anodewithhigherreputationshouldbeservicedInthispaperweproposeareputationmanagementframeworkandforthistohappentheserviceprovidershouldhaveincentiveforlarge-scalepeer-to-peer(P2P)networks,whereinallnodestoservethemorereputednode.Ourframeworkprovides

7、thisbyareassumedtobehaveselfishly.Byselfishwemeanthatnodesensuringthatthereputationofanodeincreasesmorebyservingaimtomaximizetheirownreputationinrelationtoothersinahigherreputationnode.Thisisincontrastwithtraditionalthenetwork.Theproposedframeworkhasseveraladvan

8、tages.reputationschemes,whereserviceprovidersmakenodistinctionItenablesaformofvirtualcurrency,suchthatthereputationbetweenthetypeofnodes(whetherofloworhighreputation)ofnodesisameas