《網(wǎng)絡(luò)管理》第三版PPT課件
網(wǎng)絡(luò)管理第三版PPT課件,網(wǎng)絡(luò)管理,網(wǎng)絡(luò),管理,第三,PPT,課件
1New network management modelsNetwork Management網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 2New network management modelslCurrent ModelsOSI based CMIP,TMNTCP/IP based SNMP lManagement modeCentralized management:one manager to many agentslSNMP:pollinglCMIP:event drivingThe tasks of a manager(station)lIssues GET commandslAnalyzes the management information obtainedlIssues SET commands網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 3lMajor problemsGreat deal of MI transferred,increasing the load to netThe communication time of MI limits the real-time management lNew modelGoalslAdopting distributed management modelEnhancing the real-time management abilityPresented modelslIETF NETCONFlWEB based NM lCORBA based NM lActive Network concept based NM 網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 4Web Based Management(WBM)lBackgroundWorld Wide Web:the most popular service netBrowser/Server structure:unified platform,easy to useCan use any host as a management stationlDistributed:many stationslPrompt:one can operate at the nearest host網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 5lMajor meritsGeographic mobility System mobilityUnified operation interface l Web browserIndependence of WBM applications lNot depend on OS,Architecture and ProtocolInteroperationlManager can operate different MSs through one browser網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 6Implementing SchemeslProxy based scheme網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 7Adding a Web server above the management platformThe platform communicates with managed deviceslBy using SNMP or CMIPlCollecting,filtering and processing MIlMaintaining the platform database網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 8WBM applicationslObtain MI through APIs of the platformlChange MI to HTML formatlMaintain the WBM databaseOperatorslSend HTTP requests to Web server to realize managementWeb ServerlCalls WBM application through Common Gateway Interface網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 9MeritslProviding flexible Web based operations without changing the present management platformslSNMP and CMIP can be used as usual網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 10lEmbedded scheme網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 11Embedding Web capability inside managed devicesEvery managed device has a Web addressOperators can access these devices directly through browser網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 12MeritslUnified communication protocol:HTTPlMIB is described by HTMLlEfficient Web search techniques can be usedlVirtual organizations of management layers and domains,not depend on geographic locations網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 13Key TechnologieslHTMLdescribes the WWW pageslCGIProviding the capability of accessing MIB for WBM applications lJava,JVM,Java applets To be bound to Web Browser網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 14The standards of WBMlWBEM(Microsoft)Is compatible with SNMP and DMIConsists of HMMS,HMMP and HMOMlJMX(Sun)Evolved from JMAPIProviding a set of basic management classesHaving a unique architecture網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 15lThe general architecture of WBMThree-tier:Web browser+Applications+Managed resources 網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 16lCORBA Common Object Request Broker ArchitecturePresented by OMG(Object Management Group)For interconnections and interoperations in distributed environmentslORB the core of CORBAAccepts the requests of clientsFinds the executive objects and transfers requested data to themReturns results after the objects executedCORBA based Management網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 17CORBA Architecture網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 18lIDLInterface Definition LanguageA common languageDefined interfaces are independent of any program languageDescribes the client operations to the objectslOAObject AdapterAdaptation between an object execution and a client initiationlDIIDynamic Initiation Interface網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 19lMeritsUnified resource naming,event processing and service exchanging mechanism,this is suitable for NMCORBA is suitable for remote monitoring and logic management,has inherent OO features網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 20lFeaturesHigh-level distributed processingCommon management interfacelIndependent on MOs realization,OS and programming languageFunctions are stronger than SNMP,simpler than CMIPCan use C+,Java 網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 21lDifferent solutions Management system used CORBA clientMO defined with CORBAComplete NMS developed with CORBAlFirst one is more popularlMain issuesHow to realize management applications with CORBAHow to access managed resources網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 22lSNMP/CORBA gateway based modelManager:CORBA clientProxy:exchange MI with agents using SNMPGatewaylIs between CORBA client and proxylNeed to configure CORBA applications for accessing MIB 網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 23lCMIP/CORBA gateway based modelManager:CORBA clientProxy:exchange MI with agents using CMIPGatewaylIs between CORBA client and proxylHas standard APIs for managing MOs網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 24lCombination of CORBA and TMNOMG presented a CORBA based framework for Telecommunication ManagementOn the practical positionlUsing CORBA to realize distributed OSslUsing TMN(Q3 interface)to realize the definition and communication of MICombination of CORBA and TMN網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 27Active Network based NMlThe inactivity of conventional networksTransporting messages between terminals on demandNot care the contents contained in the messagesOnly processing head-information網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 28lActive network techniqueAllowing users to input customized programs into networksUser driven computation at nodesThe nodes are required to check and execute the programs contained in the packets through them網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 29lAN based NMTransferring the center of NM dynamicallypatrolmen:special AN packetsAN packets for fault processinglLocal and real-timelTwo modelsManagement by Delegation(MbD)Mobile Agent(MA)網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 30lMbD modelSending Delegation Agent(DA)to managed notesThe DA performs its functions locallyNeed an Execution Environment(EE)for the DADelegation ProtocollSubmitting the DA to the EElPerforming,modifying and extending the DA in the EE網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 31lAn MbD model網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 32lMA modelMAlA kind of software entitiesl Can transfer in a network self-determinatively lWorking on behalf of othersGoallMaking programs close to data sourceslReducing trafficlBalancing load網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 33lmechanismsExist mechanismlProducing,destroying,initiating and haltingComputation mechanismlData operation and thread control primitivesSecurity mechanismlAccess mode to network resources Communication mechanismlThe communication mode of MA to MA,MA to other entityTransfer mechanismlThe transfer mode of MA among different locations網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 郭 軍網(wǎng)網(wǎng) 絡(luò)絡(luò) 管管 理理 教教 程程 34lRealizationCode on Demand(CoD)modellDistributed code server in NMSlVirtual real-time support environment in NM equipmentRemote Evaluation(REV)modellSpecific function oriented code-module can move to pointed locationslDifferent code-modules can unite to form a new code-moduleAgent Hosting modellA virtual machine environment for a managed equipmentlHas various agents performing different functions
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上傳時(shí)間:2022-03-24
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《網(wǎng)絡(luò)管理》第三版PPT課件,網(wǎng)絡(luò)管理,網(wǎng)絡(luò),管理,第三,PPT,課件
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