Network Manager provides the features necessary to manage complex networks. These features include :Network discovery, Device polling, Storage of polled SNMP and ICMP data for reporting and analysis, and Topology visualisation.Network Manager also Integrates with other IBM products, such as :IBM Tivoli Application Dependency Discovery Manager,IBM Tivoli Business Service Manager andIBM Systems Director.opology visualization.Network Manager is able to display network events, perform root cause analysis of network events, and enrich network events with topology and other network data