azure vm bandwidth cost almost 50% of total subscription cost - how to analyze?

RONALDO RADUNZ 41 Reputation points

In this subscription I have a few web apps and one linux vm with a database. DB has only 5 or 6 users, there are no web sites. VM location is East US, users are in Brazil South.  
I would like to understand why the cost of bandwidth is almost 50% of total cost of this subscription - and why the cost is rising...  
How to investigate further?  


Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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  1. Bjoern Peters 8,601 Reputation points MVP


    As we don't know anything about your solution and only have this screenshot...

    What are you doing with replication?
    From my understanding/imagination, I would say you have a web app that runs in "east us" and has a failover scenario established that copies all of your data and application to "be south"... so you are having a constant outgoing dataflow from US to BR... this are the costs of your subscription!

    You always have to pay for outgoing traffic - and that includes also traffic between regions!

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