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How long does it take to go from West US to UK and back?

 

I have been asking myself this question for a while and now it’s time to find out.

 

Azure supports VNET peering between regions in selected datacenters. I want to build a global network and look at which performance you get from this feature.

 

My setup

3 VM’s and 3 VNET’s

 

Located in these datacenters:

  • UK South
  • West US 2
  • India South

 

Before a could add the vnet peering I had to register for the preview feature:

 

 

 

And then I added VNET peering between all VNET’s (Both directions)

 

UK – US
UK – India

 

US – UK
US – India

 

India – UK
India – US

 

 

Results

I then logged in to my VM’s and send Ping commands

Conclusions

I have created a global spanning VNET across the globe in less than 1 hour. (I’m impressed 🙂 )

Ping times are as follows:

 

UK – US – 141ms
UK – India – 132ms

 

US – UK – 142ms
US – India – 201ms

 

India – UK – 133ms
India – US – 201ms

 

 

Background

Currently VNET peering between regions is in Public preview and only available in selected datacenters.

 

https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-peering-overview

 

Next

I want to measure the bandwidth provided on the geolinks.

 

I want to look into the costs associated with building this.

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