基于Linux負(fù)載均衡系統(tǒng)的研究與實(shí)現(xiàn).pdf

1、分類號：TP31題r7：2105單位代碼；10005學(xué)號：$200207057密級：公開北京工業(yè)大學(xué)碩士學(xué)位論文英文并列題目THERESEARCHANDREALIZATIONOFLINUXLOADBALANCINGSYSTEM研究生姓名：歪治專業(yè)：i土簋狃廛屈莛盔研究方向：讓簋拯圓絡(luò)拉盔厘墓厘且導(dǎo)師姓名：萱瑣塹職稱：教攫論文報(bào)告提交日期：2QQ5生5旦學(xué)位授予L|期：——授予單位名稱和地址：jE瘟王些太坐韭壺立塑田區(qū)里玉國!QQ墨Abs

2、tractAbstractWiththedevelopmentofIntemetatfuUspeedthetrafficofdifferentnetworkservicesgrowsexplosivelyespeciallysuchasWWW：FTP，EmailandSOonAtthesametime，thenumberofnetworkusersincreasesfastTheyhopetogetcontinuouslyandhigl

3、lperformancenetworkserviceSoweneedtocreateanetworkenvironmentthatcanprovidescalabilityavailabilityandmanageabilityservicesHowevegitisastopgaptoresolvetheproblembyonlytoupdatehardwareBecausenotonlymuchcostwillbeconsumedbu

4、talsostillCan’tsatisfytherequirementofcontinuouslyrisingtrafficTherefore，tesolvetheproblem，wemustproceed、vitllthewholesystem’Sarchitectureinsteadofsimplyupdatingtheserver’shardwareItisaverygoodsolutiontoapplyloadbalancin

5、gwithclustertechnologyLinuxVirtualServer(LVS)isaloadbalancingclustersystemthatisbasedonLinuxThearchitectureofLVSisdesignedrationallyThesourcecodeofalgorithmsIⅣSisorganizedexpedientlyLVSprovidesaplatformwimscalablenetwork

6、servicefunctionforresearchinganddevelopingmoreperfectloadbalancingsystemInthepaperwedeepanalysethearchitectureofLVSandthesourcecodeofIPVSThenweputforwardcurrentproblemsofLVSsuchasschedulingbasedonconnection，thelimitation

7、ofroundrobinandleastconnectionschedulingalgorithmsandthesinglepointofbottleneckinloadbalancingserverThenweproposethesolutionsoftheproblemsTherefore，inordertoresolvetheseproblems，wedesigntheagentbasedloadbalancingsystemin

8、thebaseof【』VSThesystemtakesadvantageoftheagent’Sfeature，suchasautonomyintelligent，response，cooperatingandSOonWeuseagenttoalternatelytransmitloadinformationamongtherealserversandsendthesummaryloadinformationtotheloadbalan

9、cingserverwhichgreatlydecreasetheoverheadoftheloadbalancingserverandreducesomesinglebottlenecktroubleincidencenesystemusessomenewmechanismssuchascompoundloadinformation，dynamicfeedbackloadinformation，daemonprocessorandSO

10、onInthecourseofsystemworks，accordingtothedynamicloadofeachrealservertheloadbalancingservermakesthewholeloadbalancingsystemreallyrealizebalanceInthepaper，weintroducethedesignprincipleoftheagentbasedloadbalancingsystemandt

11、heimplementofthesystembasedintheLVSsystemFinallywecomparetheroundrobinschedulingalgorithm，theleastconnectionalgorithmandtheagentbasedloadbalancingsystembyexperiment1rIleexperimentalresultshowsthattheloadbalancingscheduli