Infrastructure for network management definitions: managing entity agent data managed devices managing contain entity data managed device managed objects agent data whose network data is gathered into management agent data managed device protocol a m Management Information agent data agent data Base(MIB) managed device managed device Network Management 9-5Network Management 9-5 Infrastructure for network management managed device managed device managed device managed device definitions: managed devices contain managed objects whose data is gathered into a Management Information Base (MIB) managing entity data managing entity agent data agent data agent data agent data network management protocolmanaged device agent data