Category: IT

I’ll Take the High Road…

When does a URL not take you where you expect? Usually only when something’s wrong. However, I recently encountered a URL that would result in a browser taking a rather long path to the...

Virtualizing the Campus Network

I’ll be the first to admit that I never really intended to be talking about in-depth networking topics when I started this blog a few years back. However, that’s been where a lot of...

Some Experiments in OpenStack

As a little side project, I’ve been toying with OpenStack to replace ESXi on a couple of old servers I’ve got in a lab. Now that it’s up and running, I must say I’m...

A Matter of Wireless Trust

For various very good reasons, we’ve recently had to change the the certificate presented by our RADIUS server for the wireless networks. The process of accepting the new certificate was a breeze on the...

Audio Processing in Interpreted Languages

It’s no surprise that today’s computer programs are getting bigger and more complex. CPU and memory are now in available in a way they never were before. A quick glance at the Raspberry Pi...

Comware IRFs – A Few Lessons

Look in almost any organisation that’s been running for more than a few years and you’ll see legacy IT kit still keeping business critical services alive. There are places where IPX is still a...

Network Switch APIs (and the Lack Thereof)

Since the dawn of time on managed network switches, we’ve had the CLI. Well, that’s a bit of a lie – menu driven interfaces were the go-to option for a number of years. But...

Predicting the (Wireless) Future

I’ll admit, the title may be far more grand than the point I’m getting across. After all, I’m not making a prediction about where the wireless business is going (we might eventually get to...

Making the Hop

It’s something I’ve briefly mentioned in the past but not something I’ve ever covered in detail. However, it is something that’s appeared on my radar again – point-to-point WiFi links. While I’ve never been...