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Berkay-3212 avatar image
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Berkay-3212 asked GitaraniSharmaMSFT-4262 edited

Azure Bandwidth egress cost

Hi,

I want to clarify the relation between Azure Bandwidth egress cost, Application Gateway outbound data transfer cost, NAT Gateway data processed cost, and Frontdoor outbound data transfer cost. Please find the scenarios below.

  1. If I do x amount of outbound data transfer through application gateways, Will there be additional Azure Bandwidth cost for x amount of data?

  2. If I do x amount of outbound data transfer through NAT Gateway, Will there be additional Azure Bandwidth cost for x amount of data? NAT Gateways cost by taking data processed metrics into account. Is it different than outbound data transfer?

  3. According to the Frontdoor pricing page, "Data can be transferred from an origin in an Azure data centre to Front Door POPs at no additional charge​". Does it mean that there will not be any additional Azure Bandwidth egress cost?

  4. There are similar scenarios like private link outbound data process, writing data to storage accounts, or SQL Servers with/without service endpoints. Is there any detailed list for which costs are covered with Azure Bandwidth egress cost?

Thanks in advance.


azure-virtual-networkazure-application-gateway
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1 Answer

GitaraniSharmaMSFT-4262 avatar image
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GitaraniSharmaMSFT-4262 answered GitaraniSharmaMSFT-4262 edited

Hello @Berkay-3212 ,

Welcome to Microsoft Q&A Platform. Thank you for reaching out & hope you are doing well.

Below are the answers to your queries:

1) Yes, if you do x amount of outbound data transfer through Application Gateways, there will be additional Azure Bandwidth cost for x amount of data as per the below pricing article:
https://azure.microsoft.com/en-us/pricing/details/bandwidth/

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2) If you do x amount of outbound data transfer through NAT Gateway, there will not be any additional Azure Bandwidth cost for x amount of data. But there will be data processed charges as mentioned in the pricing article:
https://azure.microsoft.com/en-in/pricing/details/virtual-network/

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3) Yes, there will not be any additional Azure Bandwidth egress cost but Outbound data transfer (data going out of Front Door POPs to the client) charges will be applied as mentioned in the pricing article depending on the region:
https://azure.microsoft.com/en-us/pricing/details/frontdoor/

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4) If you are using Private Link, then there will be additional Azure bandwidth egress charges along with the data processing charges. The scenarios of writing data to storage accounts, or SQL Servers refer to the data processing charges which will be based on the direction of traffic. Data transfer pricing will apply to data following the below pricing article:
https://azure.microsoft.com/en-us/pricing/details/bandwidth/

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You can use Azure pricing calculator to see what all charges are applied on a particular resource/service.

Kindly let us know if the above helps or you need further assistance on this issue.


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