Abstract: NIC collected network statistics are captured by agent devices resident on Host machines of a network. A probe (software or hardware) retrieves the collected statistics from one or more monitored hosts (each host on the network, for example) and places them in RMON MIB and RMON extension MIB formats. The MIB data is retrieved by queries from a data correlation device that then correlates the queried data into useful statistics regarding network traffic. The useful statistics include network traffic in bytes per second for each application, application protocol, hosts, user logon id, etc. for each of the monitored hosts. Different views including a host to host matrix view are provided in a split window display.

Abstract: An architecture for a management information system includes a backend that services information requests from a front end. The backend retrieves data from management information base(s) (MIBs) and prepares a response to the information requests. The backend maintains a cache of data recently retrieved from the MIBs and uses the cache to retrieve data, instead of making additional requests to the MIBs. The responses may be prepared from cache data only, MIB data only, or a combination of both. The back end is preferably maintained on a same segment of a network as the MIBs. Multiple MIBs may be queried from the back end, and the backend may coordinate with back ends on other segments of the network.