Making TCPIP Viable for Wireless Sensor

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1、MakingTCP/IPViableforWirelessSensorNetworksAdamDunkels,JuanAlonso,ThiemoVoigtSwedishInstituteofComputerSciencefadam,alonso,thiemog@sics.seAbstract—TheTCP/IPprotocolsuite,whichhasprovenitselfnectedtothenetwork.Addressassignmentisdoneeitherusinghighlysuccessfulinwirednet

2、works,isoftenclaimedtobemanualcongurationoradynamicmechanismsuchasDHCP.unsuitedforwirelessmicro-sensornetworks.Inthiswork,weInalargescalesensornetwork,manualcongurationisnotquestionthisconventionalwisdomandpresentanumberoffeasibleanddynamicmethodsareusuallyexpensivei

3、ntermsmechanismsthatareintendedtoenabletheuseofTCP/IPforwirelesssensornetworks:spatialIPaddressassignment,ofcommunication.Instead,weproposeaspatialIPaddresssharedcontextheadercompression,applicationoverlayrouting,assignmentschemethatprovidessemi-uniqueIPaddressestoandd

4、istributedTCPcaching(DTC).Sensornetworksbasedonsensornodes.TCP/IPhavetheadvantageofbeingabletodirectlycommunicateHeaderoverhead.TheprotocolsintheTCP/IPsuitehavewithaninfrastructureconsistingeitherofawiredIPnetworkaverylargeheaderoverhead,particularlycomparedtospe-orofI

5、P-basedwirelesstechnologysuchasGPRS.Wehaveimplementedpartsofourmechanismsbothinasimulatorcializedsensornetworkcommunicationprotocols.Webelieveenvironmentandonactualsensornodes.Ourpreliminaryresultsthatthesharedcontextnatureofsensornetworksmakesheaderarepromising.compre

6、ssionworkwellasawaytoreducetheTCP/IPheaderoverhead.I.INTRODUCTIONAddresscentricrouting.RoutinginIPnetworksisbasedManywirelesssensornetworkscannotbeoperatediniso-ontheaddressesofthehostsandnetworks.Theapplicationlation;thesensornetworkmustbeconnectedtoanexternalspecicn

7、atureofsensornetworksmakestheuseofdata-networkthroughwhichmonitoringandcontrollingentitiescancentricroutingmechanisms[6]preferableoveraddress-centricreachthesensornetwork.TheubiquityofTCP/IPhasmademechanisms,however.Weproposeaspecicformofanitthede-factostandardprotoco

8、lsuiteforwirednetworking.applicationoverlaynetworktoimplementdata-centricroutingByrunningTCP/IPinthesensornetworkitis