In demonstrating some monitoring software, Tom needed to replicate a slow network that was being used in a VDI environment. Here's how he did it. I recently found that, in order to demonstrate some ...

It's often useful to gain a quick measure of a network's "real-world" performance. Pinging is a technique in which you send a predetermined amount of data to a specific IP address on your own network ...

Performance measurements come in two flavors, throughput and latency. The former is like the width of an expressway: the wider the expressway, the more cars that can travel on it. The latter is like ...

Back in early November 2001, I started following a discussionbetween two factions of the Linux kernel community. The gist of thediscussion was over what was the best solution to the Linux ...

In previous articles we’ve built some useful servers. But this time let’s take a look at one of the most powerful network troubleshooting tools ever written: the mighty “ping” command. You may have ...

The devices underpinning today's communications networks grow increasingly powerful, in their speed, throughput, features and supported services. That's great for users – but it presents a significant ...

There are quite a few tools that can help test your connectivity on the Linux command line. In this post, we’ll look at a series of commands that can help estimate your connection speed, test whether ...

Using the Traffic Control command you can simulate poorly configured networks to test how well your applications will respond to such an environment. The Traffic Control command (tc) is a tool that ...