sensor and actuator networks irisnet an architecture for a worldwide sensor webnew

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1、SENSORANDACTUATORNETWORKSIrisNet:AnArchitectureforaWorldwideSensorWebToday’scommoncomputinghardware—InternetconnecteddesktopPCsandinexpensive,commodityoff-the-shelfsensorssuchasWebcams—isanidealplatformforaworldwidesensorweb.IrisNetprovidesasoftwareinf

2、rastructureforthisplatformthatletsusersquerygloballydistributedcollectionsofhigh-bit-ratesensorspowerfullyandefficiently.ide-areaarchitecturesforperva-servicesonthisdistributedinfrastructure.sivesensingwillenableanewImaginethefollowingscenario:afterano

3、ilgenerationofpowerfuldistrib-spill,anecologistwishestoknowalllocationsWutedsensingservices.Sucharchi-whereoilhassignificantlyencroachedonthetectureshavesofarreceivedlit-coastalhabitat.Shequeriesacoastal-monitoringtleattentionbutareincreasinglyrelevant

4、becauseservice,whichcollectsdatafromvideocamerasofaconfluenceoftechnologicaltrends.Com-directedatthecoastline.Inresponse,shereceivesmodityoff-the-shelfsensors—includingvideobothimagesofthesecontaminatedsitesandtheircameras(Webcams),microphones,andmotio

5、ngeographiclocations.Thesamecoastal-moni-detectors—havebecomereadilyavailable.Suchtoringservicecanstoretriggeredqueries,wherebysensorsinterfaceeasilywithtoday’slow-costPCs,theservicenotifiestheappropriatelifeguardswhicharedeployedgloballyandconnectthro

6、ughwhenastrongriptidedevelopsinabeachregion.theInternet.Indeed,wecouldevenviewaPC’sIntheIrisNet(Internet-scaleResource-Inten-high-speednetworkinterfaceassiveSensorNetworkServices)projectatIntelPhillipB.GibbonsandBradKarparichsensorthatsensesthevir-Rese

7、arch,wearedesigninganarchitectureandIntelResearchPittsburghtualenvironmentofaLANorbuildingasystemthatenableeasydeploymentofYanKe,SumanNath,andtheInternetratherthanthesuchwide-areasensingservices.OuraimistoSrinivasanSeshanphysicalenvironment.Together,pr

8、ovidethemissingsoftwarecomponentsforCarnegieMellonUniversitythesedevicespresentapromis-realizingaworldwidesensorweb.inghardwareplatformforanemergingwide-areasensornet-Worldwidesensorweb:work.What’smissingarethearchitecture,algo-contexta