a cluster-based trust-aware routing protocol for mobilet ad hoc networks

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1、WirelessNetw(2010)16:969–984DOI10.1007/s11276-009-0182-1Acluster-basedtrust-awareroutingprotocolformobileadhocnetworksHaidarSafaÆHassanArtailÆDianaTabetPublishedonline:20May2009ÓSpringerScience+BusinessMedia,LLC2009AbstractRoutingprotocolsarethebindingforcein1Introductionmobileadhocnetwork(MANETs)s

2、incetheyfacilitatecommunicationbeyondthewirelesstransmissionrangeofMobilead-hocnetworks(MANETs)areformedarbitrarilythenodes.However,theinfrastructure-less,pervasive,andbyasetofmobiledevicesfallingwithinthetransmissiondistributednatureofMANETsrendersthemvulnerabletorangeofeachother[6].Theylackanysor

3、tofcentralizedsecuritythreats.Inthispaper,weproposeanovelcluster-administrationorfixedinfrastructureandareknownbybasedtrust-awareroutingprotocol(CBTRP)forMANETstheirdynamictopology,asnodesarecapableofmovingtoprotectforwardedpacketsfromintermediarymaliciousactivelywhileremainingactiveandreachable.Rou

4、tingnodes.TheproposedprotocolorganizesthenetworkintoprotocolsactasthebindingforceinMANETsandfacilitateone-hopdisjointclustersthenelectsthemostqualifiedandcommunicationbeyondthephysicalwirelessrangeofthetrustworthynodestoplaytheroleofcluster-headsthatarenodes.Toprovideconnectivity,everynodecooperates

5、withresponsibleforhandlingalltheroutingactivities.TheotherhoststodeliverpacketstotheirdestinationbyactingproposedCBTRPcontinuouslyensuresthetrustworthinessasarouter.Theseprotocolscouldoperateineitheraflatorofcluster-headsbyreplacingthemassoonastheybecomehierarchicalnetworkarchitecture.Intheflatarchit

6、ecture,allmaliciousandcandynamicallyupdatethepacketpathtonodesparticipateintheroutingprocess.Inthehierarchicalavoidmaliciousroutes.Wehaveimplementedandsimu-architecturenodesaredividedintoanumberofclusterslatedtheproposedprotocolthenevaluateditsperformanceeachofwhichismanagedbyacluster-headthatmakes

7、comparedtotheclusteredbasedroutingprotocol(CBRP)controldecisionsforclustermembers.Inthisarchitectureaswellasthe2ACKapproach.Comparisonsandanalysisonlyclusterheadsandgatewaynodes(intermediatenodeshaveshownth