detecting ddos with wavelet clustering论文

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1、DetectingDDoSAttackwithWaveletClusteringShanghaiJiaoTongUniversityMaster’sThesis上海交通大学硕士学位论文DETECTINGDDOSATTACKSWITHWAVELETCLUSTERING硕士研究生：AreenHelou学号：1120349185导师：WangXinbing教授副导师：Dr.Tian教授申请学位：工学硕士学科：信息与通信工程所在单位：电子信息与电气工程答辩日期：2014年1月授予学位单位：上海交通大学万方数据DetectingDDoSAttackwithWaveletClusteringShan

2、ghaiJiaoTongUniversityMaster’sThesisDissertationSubmittedtoShanghaiJiaoTongUniversityfortheDegreeofMasterDETECTINGDDOSWITHWAVELETCLUSTERINGCandidate：AreenHelouStudentID:1120349185Supervisor：Prof.WangXinbingAssistantSupervisor:Prof.XiaohuaTianMasterofScienceinAcademicDegreeAppliedfor：EngineeringIn

3、formation&Specialty：CommunicationEngineeringSchoolofElectronicAffiliation：Information&ElectricalEngineeringDateofDefense：09.01.2015Degree-Conferring-Institution：ShanghaiJiaoTongUniversityi万方数据DetectingDDoSAttackwithWaveletClusteringShanghaiJiaoTongUniversityMaster’sThesisii万方数据DetectingDDoSAttack

4、withWaveletClusteringShanghaiJiaoTongUniversityMaster’sThesisiii万方数据DetectingDDoSAttackwithWaveletClusteringShanghaiJiaoTongUniversityMaster’sThesisiv万方数据DetectingDDoSAttackwithWaveletClusteringShanghaiJiaoTongUniversityMaster’sThesisABSTRACTDistributeddenialofservice(DDoS)attacksposesgreatthreat

5、stotheInternet.DDoSattacksarethemostfrequentlyseensecurityissues,whichdisablenetworkservicesbydepletingresourcesofnetworkserverssuchasbandwidth,memoryandCPU.WeproposeanintrusiondetectionalgorithmfordetectingDistributeddenialofservice(DDoS)attacksthatcombineswavelettransformandclusteringwithanentr

6、opy-basedclusteringlabelalgorithmtodetectDDoSattacks.Weusegrid-basedclusteringtechniquetogridthefeaturespacei.e.(packetfeatures)thenassignthepacketsaccordingtotheirfeaturesineachgrid.Whichmakesitfastertofindthesimilaritiesbetweentheclustersandthenclusterthepacketstogetherthisprocessreducesthecomp

7、lexity,thenweapplyHaarwavelettransformtotransformthequantizedfeaturespaceduetoitsdistinctivefeatureofbeingfasttocomputeanditsadvantageforanalyzingsignalswithsuddentransitions,itmakesclustersmoredistinctanditeliminatest