Question 105904 in Azure Question posted in
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Difference Between Azure Region pairs and Availability zones?

I understood both Azure regions and Availability Zones are meant for fail over. But is there any specific difference between these?

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  1. 0

    This is covered in documentation: https://learn.microsoft.com/en-us/azure/availability-zones/az-overview.

    Azure availability zones are physically separate locations within each Azure region that are tolerant to local failures.

    A region can contain multiple availability zones.
    They protect against more local failures while the region pairs are further apart and protect from larger failures.

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  2. 0

    Region pair are two regions nearby that are at least 300 miles away. Availability zones are inside region or can be between two region.
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