Chapter 5. Monitoring Network Availability

Network monitoring is the concept of observing, measuring, and comparing the performance of a computer network using both technology and personnel. The purpose of network monitoring is to detect faults within a network and ensure steady network operations. Monitoring network devices is a proactive approach to troubleshooting potential performance issues. Typically, a network-monitoring system is comprised of Windows- or UNIX-based network-ready computers loaded with network-monitoring software. The network-monitoring system polls the monitored nodes at regular intervals to determine the overall health of the network and its components. Based on the polled results, the network-monitoring system generates ...

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