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简介：RoutingprotocolsplayanimportantroleintheInternetandthetestrequirementsarerunningup.Totestroutingprotocolsmoreefficiently,severalenhancingtechniquesareappliedintheprotocolintegratedtestsystemdescribedinthispaper.TheImplementationUnderTestismodeledasablackboxwithwindows.Thetestsystemisendowedwithmultiplechannelsandmultipleportstotestdistributedprotocols.Thetestsuiteandotherrelatedaspectsarealsoextended.Meanwhile,thepassivetestingisintroducedtotest,analyzeandmanageroutingprotocolsintheproductionfield,whichisabletoperformtheconformancetest,theinteroperabilitytestandtheperformancetest.Thestatemachineofpeersessionsistestedwiththestatesynchronizationalgorithm,andtheroutinginformationmanipulationandotheroperationsarecheckedandanalyzedwiththemethodslikethetopologyanalysisandtheinternalprocesssimulation.Withboththeactivetestingandthepassivetesting,theroutingprotocoltestisgoingfurtherandmorethoroughlyandhelpsalotinthedevelopmentofrouters.

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简介：ManageabilityisanimportantfeatureofnextgenerationInternet;managementandmonitoringofIPv6-basednetworksareprovingabigchallenge.WhileleveragingcurrentIPv4-basedSNMPmanagementschemetoIPv6networks'managementneedisnecessary,itismoreurgenttocoinanewnetworkmanagementarchitecturetoaccommodatethescalabilityandextensibilityrequirementsofnextgenerationInternetmanagement.Thepaperproposesanovelnetworkmanagementarchitecture,IMN(InternetManagementNetwork),whichcreatesanoverlaynetworkofmanagementnodes.Whileeachmanagementnodecanperformmanagementtasksautonomouslyandindependently,itcanfinishmoresophisticatedmanagementtasksbycollaborativelyinvokingmanagementoperationsorsharinginformationprovidedbyothermanagementnodes.P2P-basedcommunicationservicesareintroducedinIMNtoenablesuchcollaboration.ThepaperpresentsaprototypingimplementationbasedontheWebservicerelatedtechnology,aswellassomeofthekeytechnologies,especiallysolutionstothoseissuesarisingfromthemanagementpracticeofCERNET2.ExperiencesofdeploymentofCERNET2operationandlessonslearnedfromthemanagementpracticearediscussed.

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简介：利用RadiusAAA认证协议和Python的Django框架，开发一个基于Internet的远程开放网络实验平台。通过该系统，学生能够进行机时预约、远程登录实验室网络设备并进行网络实验。同时该平台还具有对学生使用记录的统计与分析功能。该平台目前支持《计算机网络技术》和《网络安全技术》等课程的主要实验项目。结果证明，开放实验平台的建设提高实验室设备的利用率，解决计算机网络实验室负荷过大、学生实践课时紧缺等问题，同时为计算机网络开放实验教学提供良好的环境和新的思路。