In the "About Virtual WAN pricing" documentation, regarding the "Remote user connectivity calculation" section, where is the 2nd Connection Unit in the example?

Peter Thurwachter (MINDTREE LIMITED) 621 Reputation points
2022-12-18T16:13:38.65+00:00

In the "About Virtual WAN pricing" documentation, in the "Remote user connectivity calculation" section: https://video2.skills-academy.com/en-us/azure/virtual-wan/pricing-concepts#remote-user-connectivity-calculation, the example mentions "2 connection units"

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"and the total hub costs (2 scale units + 2 connection units + 2 hub deployments) amount to $708."

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1 connection unit comes from the ExpressRoute, where does the 2nd connection unit come from?
271805-image.png

Also, in the FAQ of the same documentation, “What is a connection unit?”, it mentions “For Site-to-site VPN, this value implies branches” There are 3 Spoke VNets, please see snippet of diagram below.

271844-image.png

If there are 3 Spoke VNets, shouldn’t the connection units be 3 (not 2)?
Could an expert please clarify why this example has 2nd connection units (and where the 2nd connection unit is?)

Thank you

Azure Virtual WAN
Azure Virtual WAN
An Azure virtual networking service that provides optimized and automated branch-to-branch connectivity.
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  1. KapilAnanth-MSFT 45,111 Reputation points Microsoft Employee
    2022-12-19T08:26:23.067+00:00

    Hi @Peter Thurwachter (MINDTREE LIMITED) ,

    Welcome to the Microsoft Q&A Platform. Thank you for reaching out & I hope you are doing well.
    I understand that there has been a disparity between the connection units mentioned in the "Remote user connectivity calculation" section and the actual cost section.

    Per the diagram, we have only one Connection unit.
    This means, the cost calculation part is correct. I have created a workitem to update the document to reflect the correct units.

    Wrt your 2nd question,

    • Branch refers to OnPrem sites.
    • Not the Virtual networks linked to the vWAN
    • So, in our reference, this should be just one connection unit.
    • 271965-image.png

    Cheers,
    Kapil

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