Blog | AppLogic Networks

But, how do you monitor the QoE that your subscribers get when roaming the world?

Well, their traffic will travel from their device, over the in-country operator RAN, then to their Gp,S8 or N9 interface, over the IXP network and to the packet gateway or UPF in your network before it goes to the Internet.

So if you monitor the Gp,S8 and N9 interfaces in your network with software from AppLogic Networks, you will get Customer Sentiment Records reflecting the Application Quality of Experience that your subscribers are feeling.

With these records, you can see score and metrics by subscriber, by country, by city or location, by Radio Access Technology, and most importantly by Application.

Let’s break down how that works.

As these roaming packets are classified by the AppLogic Networks software, we first classify which Application it belongs to. We then further qualify the content as Streaming Video, Browsing, Audio Streaming, Messaging, etc. The reason for this is that the experience using NetFlix given particular network conditions is very different if the user is download a movie or streaming a movie, or browsing titles.

We then capture KPIs like throughput, latency, loss, jitter etc, and finally we use the KPIs and the classification to produce a score about his experience on a 5 point scale. This MOS score is produced using a model that’s been built using machine learning and human test subjects scoring their experience in a lab setup using real apps and real network conditions.

The final output will contain:

• User – MSISDN or similar
• Location – CellID, Node, Region, Country, City, Operator, etc
• AS-Path & Origin AS – The AS-Path for the traffic tunneled back to the home operator
• Application – Netflix, Zoom, Whatsapp, etc
• Content Category – Streaming Video, Video Conferencing, Audio Streaming, Browsing, Messaging, etc
• Device – IMEI based, eg Iphone 15
• Plan – Which service plan the user is on

And for every session and every dimension above, the following KPIs

• Application Score – A MOS score based on subjective testing classifying the experience using the app on a 5 point scale
• Throughput In/Out
• Latency (in your network) and Latency (end to end)
• Loss rates
• Jitter
• Inter Packet Gap

With this information, you can make informed choices on what operators to collaborate in, per country, and make sure they are delivering a good QoE to your subscribers.

That way, your brand stays protected, even when your subscribers are in a completely different country using someone else’s network.

To learn more or to see a demonstration, please contact us here.

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