多核系統(tǒng)網(wǎng)絡(luò)負載均衡的研究與實現(xiàn).pdf

1、北京交通大學碩士學位論文多核系統(tǒng)網(wǎng)絡(luò)負載均衡的研究與實現(xiàn)姓名：張文芊申請學位級別：碩士專業(yè)：信號與信息處理指導(dǎo)教師：丁曉明20071201△曼墨!基△￡!ABSTRACTABSTRACrWiththerapiddevelopmentofInteractinbusinessandthecontinuousenhancementofnetwork—hascddatatrafficgrowththetraditionalstand—alone

2、serviceshasbecomeabottlenecktomeettheneedsofpracticalapplications；andnetworkloadbalancingistoachievemultipleservel一3workingtogetherandparallelprocessingmeaus，whichcangreatlyimproveserverperformance，andmakefulluseofnetwor

3、kresourcesAfteranalyzingthecharacteristicsandadvantagesofloadbalancetechnologyunderthcbackgrounddescribedabove，weachievetherealizationofthe4thlayerloadbalanceonmulti—corefirewallproductsandCOMWAREsoftwareplatformofH3Cnis

4、paperintroducesthedesignmentandimplementationofthe44Layernetworkloadbalancingtechnologyinmulti—corefirewallAfterintroducingtheLBsystemframework，thepaper#vesafurtherstudyontheLoadBalanceincludingtheLBprinciple、mechanism、f

5、unction、packetforwardingstrategy、schedulingalgorithm、healthcheckandpersistencemethodIntherealizationphaseofdesign，thereagethegeneraldesign、demanddesignanddetaildesignprocedureswiththegoldenruleofsoftwareengineeringforthe

6、goalofpracticabilityThepaperdescribesofthetestenvironment，testexamples，testprocedureandsimpleanalysisoftestresultsisgivenThefeaturesinthispaperare：Againsttheparticularityofmulticoresystemwedivideoursystemintocontrolplane

7、anddataplanewithcombiningthemulticoresystemdevelopmentstandardsofH3CTheformercompletesalltheconfiguration，andthelattercompletesalltherelatedworkwithforwardingThisdesignmentmakestheprogrambecomeamorereal—timeandhi曲efficie

8、ncysystemInthedevelopmentoftheschedulingalgorithm，inordertocompletethesimultaneousvisitofalltheCOreS，weusethedesignideaofeverycorescheduleindependentlywhichcanmakethesystemmorehigh—poweredthanthetraditionalconceptoflocki

9、ngonthecriticalresourcesFuthermore，Inthetraditionaldesignmentofleast—connectionsschedulingalgorithm，whenselectthereaIserverthathastheleastactiveconnections，thenewservermaybctheimpactoflargeflowsbecauseofthealgorithmitsel

10、fThereforeweintroducedtheTCPslowstartalgorithmconceptintoouralgorithmtoprotectthefreshserverandfinallyachievedtheoptimizationprogramKEYWORDS：L0adBalance，SchedulingAlgorithm，MulticoreSystem，SoftwareEngineering，SoftwareTes