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1、ClusterComputingontheFly:P2PSchedulingofIdleCyclesintheInternetVirginiaLo,DayiZhou,DanielZappala,YuhongLiu,andShanyuZhaoComputerandInformationScience,UniversityofOregon,Eugene,Oregon97403-1202flo,dayizhou,zappala,liuyh,szhaog@cs.uoregon.eduAbstract—Peer-to-peer
2、computing,theharnessingofOurresearchaddressestheproblemofpeer-to-idlecomputecyclesthroughouttheInternet,offerspeercomputing,whichencompassesalloftheactivi-excitingnewresearchchallengesintheconvergingtiesinvolvedwithutilizingidlecyclesfromordinarydomainsofnetwor
3、kinganddistributedcomputing.Ourusersinadistributed,openenvironment.Incontrastsystem,ClusterComputingontheFly,seekstoharvesttoGridcomputing[10],[12]andotherinstitution-cyclesfromordinaryusersinanopenaccess,non-basedcycle-sharingsystems[17],wearetargetinginstitut
4、ionalenvironment.anopenenvironment,onethatisaccessiblebytheTheCCOFcyclesharingsystemencompassesallactivitiesinvolvedinthemanagementofidlecycles:averagecitizenanddoesnotrequiremembershipinoverlayconstructionforhostsdonatingcycles,resourceanyorganization.Peer-to-
5、peercomputingrepresentsdiscoverywithintheoverlay,application-basedschedul-thenextstepindistributedcomputing,providinging,localschedulingonthehostnode,andmeta-levelpotentiallygreatercomputingpowerthaninstitutional-schedulingamongacommunityofapplication-levelbase
6、dprojectswhilealsoempoweringordinaryusers.schedulers.ThisviewofP2PcomputingisthefocusofseveralWeidentifyfourimportantclassesofcycle-sharingothercurrentresearchprojects[13],[5],[4].applications,eachwithdistinctrequirementsthatcallP2Pcomputinginanopenenvironmentg
7、ivesrisetoforapplication-specificschedulingstrategies.CCOF'sWaveSchedulerexploitslargeblocksofidletimeatanewgenerationofresourcemanagementproblemsnight,toprovidehigherqualityofservicefordeadline-thataredramaticallydifferentfromthoseaddresseddrivenworkpilejobs,us
8、ingageographic-basedoverlaybytraditionalschedulingsystems,includingissuesoftoorganizehostsbytimezone.CCOF'sworkpilesched-resourcediscovery,trust,incentives,fairness,security
