Testing Network Speed Between Azure Regions

Dave Bermingham has some quick inter-region tests for Azure network performance:

This is the question I asked myself today and of course I couldn’t find this documented anywhere. I’m assuming there is no guarantee and it probably depends on current utilization, etc. If I’m wrong, someone please point me to the documentation that states the available speed. I primarily looked here and here.

So I set up two Windows 2016 D4s v3 instances, one in Central US and one in East US 2, which are paired regions.

If you don’t know what peering is, it essentially lets you to easily connect two different Azure virtual networks. Peering is very easy to setup, just make sure you configure it from both Virtual Networks, I made that mistake at first. Once it is configured properly it will look something like this.

Read on for Dave’s results.

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