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1、JournalofComputerScience2(5):410-418,2006ISSN1549-3636©2006SciencePublicationsMobileAgentsinWirelessLANandCellularDataNetworksR.B.Patel,V.K.KatiyarandVishalGargDepartmentofComputerEngineering,M.M.EngineeringCollege,Mullana-133203,Haryana,IndiaAbstract:Advancingtechnologyi
2、nwirelesscommunicationoffersusersanytime,anywhereaccesstoinformationandnetworkresourceswithoutrestrictingthemtothefixednetworkinfrastructure.Mobilecomputingrepresentsashiftinthedistributedsystemsparadigm.Thepotentialofdecoupledanddisconnectedoperation,location-dependentco
3、mputationandcommunicationandpowerfulportablecomputingdevicesgivesrisetoopportunitiesfornewpatternsofdistributedcomputationthatrequirearevisedviewofdistributedsystems.Mobileenvironmentbringsdifferentchallengestousersandserviceproviderswhencomparedtofixed,wirednetworks.Mobi
4、litybringsuncertainties,aswellasopportunitiestoprovidenewservicesandsupplementaryinformationtousersinthelocationswheretheyfindthemselves.Amobileuserisonewho,onoccasion,disconnectsfromhis/herhomenetworktochangelocationandthenreconnects,possiblyusingadifferentaccesstechnolo
5、gy.Anecessaryfeatureofmobilitymanagementistheabilitytocontinuetoprovidesystemandnetworkservicestomobileusersseamlessly,regardlessoftheirlocationandtheformoftheirconnection.Ingeneral,mostapplicationsoftware,operatingsystemsandnetworkinfrastructuresareintendedformoreconvent
6、ionalenvironmentsandsothemobileuserhasgreatdifficultyinexploitingthecomputationalinfrastructureasfullyashe/shemight.TheInternetRoamingsolutionforcorporatewirelessdatausersintegratesmobilenetworkingacrossprivatewirelesslocalareanetworks(WLANs),publicWLANsandcellulardatanet
7、works.InthisstudywehavedevelopedaninfrastructureusingmobileagentforintegratingtheWirelessLANandcellulardatacalledInternetRoamingSystem(IRS).ItisimplementedonPMADEmobileagentsystemdevelopedatIITRoorkee.Keywords:WirelessLAN,mobileagent,MCMA,SGMAINTRODUCTIONretrieval.Otherar
8、easwheremobileagentsareseenasofferingpotentialadvantages,aredisconnectedWirelesslocalareanetwork
