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How would bad routing look like on qualityRTC?

One of the leading factors to quality issues with WebRTC is the distance between the user and your backend infrastructure. Even if there is a nearby server, there can be limiting factors such as the use of a VPN service by your customer or just bad routing rules, that get your user connected to the wrong server.


Here is how bad routing tend to look like in qualityRTC:

The WebRTC network test above was conducted in Israel, using a ProtonVPN client that was connected to a VPN server in Japan.

Here’s what we can see:

  • VIDEO BANDWIDTH shows very high Round Trip Time (marked in red). This will result in poor quality and high latency for a video conversation
  • VIDEO QUALITY and VIDEO P2P also show high Round Trip Time values
  • VIDEO P2P shows low bitrate (it usually gets to 2Mbps)
  • LOCATION shows the user is in Japan, while we know he is located elsewhere (in Israel)
  • BANDWIDTH SPEED shows high jitter on uploading and downloading over HTTPS, with very poor connections of around 1.2Mbps
  • TURN CONNECITIVTY shows slow connection times, but is still capable to connect UDP

What to do in such a case?

Ask your user if he is using a VPN. If he is, suggest removing it or configuring it in a way to allow WebRTC traffic to go unhindered for your service

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