Reverse Option: iPerf Version 2 vs 3 iPerf version 2 and 3 are currently maintained in parallel from two different teams. iPerf has been around for more than 15 years;...
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Network Testing and Troubleshooting Network testing and troubleshooting is an art and a science that every network engineer should master. That means, it’s a field that requires knowledge and preparation...
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Recently our team received word that several clients in a classroom where disconnecting while doing online benchmark tests. The clients will rename nameless but were of the “lower end” variety. These clients were single band 802.11n devices which have had a bad track record of reliability, no matter what the…
What NetBeez Does NetBeez captures network and application performance (e.g. latency increase) from the user perspective on wired and wireless networks. Sensors at each network location run tests and simulate the user experience. We have dozens of demo NetBeez agents deployed around the country and the world and we collect…
Supporting people who work from home is something I can relate to since I’ve been one of those employees for more than a year now. I work from my home in San Jose, CA and the rest of the NetBeez team is in Pittsburgh, PA. Being a technical person, I…
Multiple Input Multiple Output (MIMO) routers have become the standard in commercial and consumer WiFi. However, combining optimally multiple wireless signals in order to achieve higher data transfer rates is a challenging problem for dynamic and crowded wireless environments. The good news is that an MIT group has demonstrated significant…
Who needs distributed network monitoring? Distributed network monitoring is essential for multi-site enterprises that have a wide area network (WAN). You may be asking yourself how large your WAN should be to justify such a solution to your manager. What I have generally seen is that if you are supporting…
A couple of months ago I blogged about using Raspberry Pi’s as home network monitoring agents. The idea was to collect data from home networks and compare the performance of different ISP’s as well as detect outages and get notified about them. Guess what? There is nothing new under the…
On April 14th, I presented Distributed Network Monitoring for Wireless Metropolitan Networks during Mobility Field Day 1.Mobility Field Day is a two-day live-streamed event on wireless mobility organized by Stephen Foskett and his group. You can watch the recording of the video here. In my presentation, I first talked about…
Between the 3rd and the 8th of April 2016, the Internet Engineering Task Force (IETF) group met in Buenos Aires, Argentina. Bill Jensen and James Dishongh are two of the network engineers involved in the design and deployment of the network infrastructure that provided wired and wireless connectivity to the…