Network and Internet
Network Information Tools


NetStress is a network benchmarking tool. It is used to generate network traffic and measure the network's throughput performance -- both for wired and wireless (802.11, WiFi) networks. It is most useful when applied to diagnosing network problems. In order to test and troubleshoot networks we need tools that allow us to generate network traffic and analyze the network's throughput performance. This is true for both wired and wireless networks. Because WiFi networks are sensitive to RF interference from other wireless devices, they are more difficult to troubleshoot and transient changes in the local environment may affect their performance. Tools that are typically used to troubleshoot wireless networks report signal strengths of RF interference or beacons from an access point in units of dBm or RSSI (relative signal strength indication). But what do these really mean? How do these translate in terms of the performance of your wireless network? Before we can really begin to troubleshoot a wireless network we need a way to benchmark its performance, so as modifications are made we can determine whether or not they really make a difference in the network's performance. Regardless of your technical expertise or how expensive your diagnostic tools, if you are modifying a wireless network or making decisions to modify it and you are not testing throughput then you risk wasting time and resources going down the wrong path.


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