Iperf is a very handy network monitoring utility that can run network speed tests, as well as measure jitter and packet loss. It is available under Windows, OSX, and Linux. To run an Iperf test you need two hosts: the client or transmitter is the network traffic generator and the…
Never before have I written about a file system on this blog. No surprise, I am a networking guy, and I don’t have a big interest in this area. At least for now. However, there is a new type of file system that caught my attention. This file system is…
Throughout my career, I have used a variety of tools for different projects of different scales: coding, PCB design, sales, network monitoring, and more. I am now building a network and application monitoring tool. Over these last couple of years, I’ve dug into many different types of tools, and I’ve…
Network monitoring has evolved a lot in the last three decades. As new technologies and needs come into play (e.g. cloud, IoT), older monitoring methods are not sufficient to cope with the complex nature of modern networks. In the previous two decades, we saw two main technologies at the forefront…
AngelBeat Recently, we toured Pittsburgh, Cleveland as well as three cities in Texas (Austin, San Antonio, and Houston) together with the folks from AngelBeat; AngelBeat, is an event tour that stops in one city every day, all year long, throughout the entire country and connects vendors with local IT practitioners. I…
How to Detect a Routing Change The data revolution has taken the IT work by storm. It’s easy to collect an endless stream of network monitoring data from your network (SNMP, NetFlow, IP SLA). But then what? How can you extract the few meaningful pieces of information needed to manage…
You can monitor your network with SNMP to gather bytes in and out your routers and switches’ interfaces, or check periodically the CPU and memory utilization. This information is fundamental in making sure that your network equipment’s resources are not oversubscribed and subsequently cause performance issues for the applications. …
DNS was created way back in 1983 with a couple of original RFCs, then many subsequent RFCs to enhance it. DNS is the address book for the entire internet – a multi-level database and lookup mechanism distributed throughout the world. Since DNS is mapping domain names to actual network resources,…
One month ago, the Interop tradeshow was about to start. The NOC team was finalizing the InteropNet network infrastructure that was configured during hot stage, and the NetBeez team was making sure that proper coverage was set for the wired and wireless network. The days of the Interop tradeshow went…
Over the past year, I kept coming across articles discussing how CIOs of large enterprise have finally started becoming more open-minded to the public cloud. This comes as no surprise since the benefits of a pay-as-you-go datacenter are irresistible. However, large enterprises will still keep a certain amount of datacenter capacity…
