Network monitoring is a system or a software that continuously monitors network devices using SNMP and Flow protocols and send information to the network manager usually via e-mail in an event of interruption or malfunction. Network monitoring usually works using a software application and tool. Network monitoring is one of the most important resources of network management.

Data flow on a network, the integrity and condition of system and network devices, the stabilization of web applications are controlled with network monitoring software or applications. Network monitoring software has a strategic importance to network managers.