IP Network Performance Measurements. Bruce Morgan AARNet Pty Ltd. Just checking…. Why metrics? Metrics are important to identify network related issues especially performance Metrics can be diverse No one metric is suitable for all needs. Types of Measurement. Active Measurement
AARNet Pty Ltd
Some problems are host based, while others are network based:
Surveyor is more accurate and better for short term measurement, especially for sites which have good connectivity.
PingER is a more light weight solution, requires less management, uses less bandwidth, requires less storage, and nothing needs to be installed at the remotely monitored sites and is good for remote sites with poor connectivity.
Send SYN seq=x
Send SYN seq=y,
Send ACK y+1
WARNO/ International traffic on June 18
WARNO / VRNO traffic on June 18