数据复制模块在ATC中的设计和实现

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1、Y93S18Il；四川I大学硕士学位论文题日数握复剑堪拯查丛￡史的虽让塑塞翌作者擅蕉监完成日期2Q逝生垒目!Q旦培养单位盐簋扭堂瞳指导教师遵查跬熬援专业盐簋扭廛旦量苤研究方向图形图像处理授予学位日期生旦目四川大学硕士学位论文DesignandImplementationofDataReplicationModuleinAirTrafficControlSystemMajor：ComputerApplicationGraduate：TANGShimingAdvisor：Prof．YOUZhishengAnair·traffic-contr

2、ol(ATC)systemmanagesairtraffictasksandguaranteesthesafetyofairtraffic．AnATCsystemmustbefault-toleratedandhighlyavailable．Thetechnologyofdatareplicationprovidesalleffectivesolutiontoachievethatgoal．So。studyingtheapplicationofdatareplicationisofgreatvalueformeetingtheneedo

3、feverdevelopingATCarea．ThemaintaskofthisthesisisdesignandimplementationofdatareplicationmoduleinATCsystem．Firstly,itintroducesageneralideaoftechnologyofdatareplication，featuresofallATCsystem，andthegoaltodesignadatareplicationmoduleinallATCsystem．Datareplicationmoduleinan

4、ATCsystemisrequiredtOhavethefollowingfeatures：fault-toleratedandhighlyavailable，transparent，extendable，andcachemechanism．Secondly,itpresentsprincipalsandseveralkeydesignsofthedatareplicationmoduleinATCsystem．Designsincludestatus，dataconsistency,clientclerk，changingreplic

5、asdynamically,andcachemechanism．Finally,itintroducestheimplementationofthisdesigninATCsystem．TheimplementationisbasedontheframeworkofACE．Theconclusionandfutureworkarepresentedinthelastpart．Thetechnologyadoptedinthisthesisisfault-toleratedandhighlyavailable．Itprovidesstri

6、ctdataconsistency．Andittakesintoconcernextensibilityinitsdesignandimplementation．Thepurposeinthisthesisistostudythefeasibilityofapplyingdata四川大学硕士学位论文replicationinATCsystem．Moretestofthismoduleshouldbedone，andmoreexperimentsshouldbeintroducedinitsdesignandimplementationi

7、nthefuture．Keywords：datarepIicatioff：airtrafficCOrttrol(ATC)：eIectionaIgotithm；repIica：cIientcIerk；cachemechaniSill四川大学硕士学位论文第一章序论1．1论文的选题背景和意义近年来，随着我国国民经济的不断发展，我国空中交通的流量越来越大，对于空中交通自动化管制系统的要求也越来越高．所谓空中交通管制，就好比地面上的车辆必须遵守交通规则，要接受交警的指挥一样，飞机在空中飞行也要遵守一定的规则并且受到专门机构的指挥与调度。安全性是空

8、中交通最为关注的问题。空中交通管制系统具有冲突检测和预警，飞行计划自动管理等重要功能。因此，保障空中交通管制系统的可靠、稳定和高效，对空中交通安全具有极其重要的意义．为了实现这一目标，作者参与的ATC系统使