Currently, it can be said that computer networks are becoming increasingly
complex and larger, requiring special attention from organizations in aspects that did not
previously exist. The high level of the number of devices required integration between them,
making monitoring performance, operation and availability crucial points to be monitored in
any company. When we think of monitoring, the main goal is to maximize the efficiency and
productivity of one or more networks, and to keep them stable. When developing a plan to
realize it, it is necessary to activate functions that allow the total control of the network and its
services, with mechanisms of analysis and control of resources. Having a mapped and
monitored environment is critical to the growth process of a business. It is already proven that
with a well-planned IT environment, your business is more likely to work, even for
companies where the main focus is not IT, because everyone now depends on the Internet and
the services it provides. And for this it is necessary to use network management and
monitoring tools, which were addressed during this work, then an analysis was done in
scenarios of similar networks. This analysis had as objective to define which tool is the most
appropriate, doing tests, defining the one that obtained the most performance management, all
the tools used were tested in the demo version, they are; Netflow Analyzer, PRTG, WhtasUp
Gold, Wireshark, then extracted and collected data from each tool and the results were
analyzed and compared.
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