Slide 31 of 45
Notes:
Upper graph from MRTG, shows line reasonably loaded
Lower graph gives an idea of how often the line is at 100%l utilization etc.
Number of 2 minute intervals in a month when the link was observed to be busier than x% for a 2 minute period
Area under curve is an indicator of how busy/saturated the link is.
Note traffic imbalance typically factor of 2-3x going out as coming in, also the loads are not typically during U.S. prime hours (they are sucking us dry)