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1、Chapter8:NetworkManagementChaptergoals:introductiontonetworkmanagementmotivationmajorcomponentsInternetnetworkmanagementframeworkMIB:managementinformationbaseSMI:datadefinitionlanguageSNMP:protocolfornetworkmanagementsecurityandadministrationpresentationservices:ASN.1firewalls18:NetworkManagementWha
2、tisnetworkmanagement?autonomoussystems(aka“network”):100sor1000sofinteractinghw/swcomponentsothercomplexsystemsrequiringmonitoring,control:jetairplanenuclearpowerplantothers?"Networkmanagementincludesthedeployment,integrationandcoordinationofthehardware,software,andhumanelementstomonitor,test,poll,c
3、onfigure,analyze,evaluate,andcontrolthenetworkandelementresourcestomeetthereal-time,operationalperformance,andQualityofServicerequirementsatareasonablecost."28:NetworkManagementInfrastructurefornetworkmanagementagentdataagentdataagentdataagentdatamanageddevicemanageddevicemanageddevicemanageddevicem
4、anagingentitydatanetworkmanagementprotocoldefinitions:manageddevicescontainmanagedobjectswhosedataisgatheredintoaManagementInformationBase(MIB)managingentity38:NetworkManagementNetworkManagementstandardsOSICMIPCommonManagementInformationProtocoldesigned1980’s:theunifyingnetmanagementstandardtooslowl
5、ystandardizedSNMP:SimpleNetworkManagementProtocolInternetroots(SGMP)startedsimpledeployed,adoptedrapidlygrowth:size,complexitycurrently:SNMPV3defactonetworkmanagementstandard48:NetworkManagementSNMPoverview:4keypartsManagementinformationbase(MIB):distributedinformationstoreofnetworkmanagementdataStr
6、uctureofManagementInformation(SMI):datadefinitionlanguageforMIBobjectsSNMPprotocolconveymanager<->managedobjectinfo,commandssecurity,administrationcapabilitiesmajoradditioninSNMPv358:NetworkManagementSMI:datadefinitionlanguagePurpose:syntax,semanticsofmanagementdatawell-defined,unambiguousbasedataty
7、pes:straightforward,boringOBJECT-TYPEdatatype,status,semanticsofmanagedobjectMODULE-IDENTITYgroupsrelatedobjectsintoMIBmoduleBasicDataTypesINTEGERInteger32Unsigned32OCTETSTRINGOBJECTIDENTIFIEDIPaddres
