ABSTRACTWepresentGreedyPerimeterStatelessRouting(GPSR),anovelroutingprotocolforwirelessdatagramnetworksthatusesthepo-sitionsofroutersandapacket'sdestinationtomakepacketfor-wardingdecisions.GPSRmakesgreedyforwardingdecisionsus-ingonlyinformationaboutarouter'simmediateneighborsi