Why 5G is in trouble (and how to fix it)

5G has lots of clever radio engineers making a better radio network. There’s nothing wrong with that. Just the key constraint now lies elsewhere.

Vodafone publishes high-fidelity network measurements using ∆Q metrics

Vodafone has published network data using state-of-the-art high-fidelity measurement and ∆Q metrics. I highlight some of the key slides.

Fundamentals of Network Performance handbook now on sale

The distilled insight of the world’s top network performance experts is now available for purchase in handbook form. All profits go to a good cause.

Let’s play “spot the end user”

Some industries are focused on the end user’s experience, and some, well, are less experientially inclined. How is telecoms doing? Let’s see…

Stationarity is the new speed

The broadband industry has a lot of unhappy customers complaining about poor speed. They should instead be asking for better stationarity. Here’s why.

A scientifically sound resource model for software-defined networking (SDN)

The matching of network supply and demand under software control requires defining and quantifying the resource. So what is a good resource model?

A “Packet Time” standard for the telecoms industry

The telecoms industry is automating a failed technical and business model. An external reality insists that change must happen to a common “Packet Time” standard. Your choice is to jump or get pushed (or maybe squashed). Which do you want?

Is computer science a bad idea?

We send our kids off to do degree courses in “computer science”, thinking that we’re doing them a favour. Maybe the opposite is true? Here’s why…

Introducing the Virtual Quality Network

Virtual Quality Networks (VQNs) are a new category of network infrastructure. Just like how VPNs isolate sensitive traffic based on security needs, VQNs isolate important traffic based on quality needs. In this tech talk we explore what a VQN is, how they work, and how they can help you.

VUC webinar recording

This webinar recording explores the transition from broadband Internet access to cloud application access, and how VQN services from Just Right Networks Ltd enable assured quality for voice and video.