What is Network Monitoring?
Network monitoring is spying for a good cause. Actually, network monitoring is something you want at least one of your systems to be doing. While your other systems are performing their vital functions, you need to set aside at least one computer or set of computers to monitor network activity. Think of network monitoring as policing your network traffic. This network monitoring must be done by a system that is always on. Your network monitoring system should have dedicated power lines or, at the very least, backup generators attached to it. The network monitoring system is the most critical part of your network, since it is the one that sounds the alarm if something is wrong. Network monitoring takes note of slow or failing systems and notifies the network administrator of such occurrences. Such notifications can take the form of email messages, pager alerts, or plain old phone calls. No matter what form they take, network problem messages should take the highest priority. Network mon
Do you know why network monitoring is so important in internet management? According to a report, 30%-40% of employees’ network activities are irrelevant to their work, 37% employees state that they often surf online during working time, and 70% visits to erotic websites happen at working time. These are also the reasons why there are 80% American and European corporations have taken steps to monitor the internet activities of employees. Network monitoring, in nature, is to read and parse the contents of packets transferred on network. The operation principal of network transmission is that a host sends packets to another host, each packet involving data and frame which covers the information of packet like source and destination. The data of a packet may be email, web page, registration information, password, e-business records, and other information of network transactions.
