You could also create a rulebase (for example, General) and build routine rules to check on disk space, CPU utilization, collision rates on network interface cards, and so on. When a serious condition occurs, one of the rules in the general rulebase loads a rulebase (for example,
Extreme_Network_Analysis). This rulebase tests more frequently, explains in more detail, and applies more severe consequences to the serious condition. This rulebase could be developed by a network expert and may start up detection tools to perform detailed analysis.