User's Manual

Examples 393
5 Repeat steps 1 – 4 for each of your core links.
Using these graphs you can see the trend of link utilization over the past
two years. This should help you estimate how utilization will continue to
develop in the near future.
If you need to perform a more detailed trend analysis for a link, you can
click the appropriate hot-link below the Utilization graph to export the
data behind the yearly graph in CSV format. You can then import the
data into an application such as a spreadsheet to perform further
analysis.
Figure 196 Trend of Link Utilization
In this example you can see that the link utilization is on an upwards
trend and, based on its current rate of growth you can expect the
utilization rate to reach 80% within the next three months. Based on this
you may decide that this link will require upgrading.
Web server analysis You wish to see how your Web server is coping with demand and
whether it will require replacing or upgrading. To do this:
1 Locate your Web server in the map.
2 Select it.
3 Launch the historical report for the Web server by selecting the
Monitoring > Historical Report menu option.
4 Scroll down the report to the daily graph for HTTP response time and
examine it.