电铁实时监控系统组播通信安全性研究

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1、西南交通大学硕士学位论文电铁实时监控系统组播通信安全性研究姓名：赖前程申请学位级别：硕士专业：电力系统及其自动化指导教师：林建泉20070501西南交通大学硕士研究生学位论文第1I页AbstractMulticastisanovelmethodofdatatransmission．whichhasbroadprospectsforapplication．InteractGroupManagementProtocol(IGMP)usedinMulticastdoesnotoffermembersaccesscontr

2、olinpresent；Aslongasobtainthemulticastaddressesusedinspecificbusiness,uSeI'SCalljointhemulticastgroupwithoutaudite正thenattainthedatapacketsandtakethemalticastdatabyplaintexttransmissionviathesedatapackets．Therefore，Inordertoensurethemniticastdatanottobeusedbyt

3、heunauthorizeduserS，weneedtoencryptthedata,whichhassecurityrequirement．、Withthereformanddevelopmentbyleapsandboundsofrailway,andthesixthspeedincreaseofrailwaygOonwheels，electricalrailwaySCADAsystemdevelopingtowardlarge—scalesystemsandnetworkcontrolsystems；then

4、oveldistributedSCADAsystemsethigherdemandtoitsnetworkCommunication’Ssecarityandreliability．Atpresent,withtheextensiveuseofpoint·to-multipointandmultipoint-to·multipointDistributedapplications，Multicastisbeingmoreandmoreattentionanduse．hreal-timenetwork,usingIF

5、Multicastcallresolvedwellthewasteofresourcesofusingunicastandbroadcastnetworksandtheproblemofdecliningperformance．Therefore，inthispaper,multicastcommunicationisproposedasthemaintechnologyofnetworkcommunicationoftheNetworksupervisorysystemforelectricalrailwaysy

6、stem，andthemulticastsecurityissuesoftheReal—timeMonitoringSystemislucubmted．Withtheanalysisofthecommunicationtypeandthesafetyissuesofthereal-timemonitorsystemforelectricalrailway，thispaperputIFSecand口multicastcombineanddesignthemulticastsecnrecommunicationsfra

7、meworkoftheelectricrailwayreal—timemonitoringsysteminconnectionwiththemorematureunicastsecurityprotocolIFSec；Doin—depthresearchandcomparisontothethreeKeyManagementProtocolofMulticast：Starright-KeyManagementProtocol，Key4classificationtrees“andcompletebinarytree

8、，andchoosethecompletebinarykeymanagementProtocolasthekeymanagementofelectricrailwayreal-timemonitoringsystem；andrealizethekeymanagementwithVC++6．0．、西南交通大学硕士研究生学位论丈第1II页Finally,thew