Available Methods of Data Acquisition
Comparison of SNMP, Packet Sniffing, and NetFlow
How to Set Up Traffic Monitoring for Various Network Infrastructures
PRTG Traffic Grapher is an easy to use Windows software for monitoring and classifying bandwidth usage. It provides system administrators with live readings and long-term usage trends for their network devices. The most common usage is bandwidth usage monitoring, but you can also monitor many other aspects of your network like memory and CPU utilizations.