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MukeshAwot-9463 avatar image
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MukeshAwot-9463 asked GitaraniSharmaMSFT-4262 answered

Private end point performance

We are planning to create 250+ private end point with in a Resource Group. These will be for storage and key vaults. Do we see any perforamnce issue or any other limitation? Please suggest optimum way.

azure-private-link
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GitaraniSharmaMSFT-4262 avatar image
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GitaraniSharmaMSFT-4262 answered

Hello @MukeshAwot-9463 ,

Apologies for the delay in response.

I understand that you would like to know about the limitations of Azure Private end points.

A private endpoint is a network interface that uses a private IP address from your virtual network. A read-only network interface is automatically created for the lifecycle of the private endpoint. The interface is assigned a dynamic private IP address from the subnet that maps to the private-link resource. The value of the private IP address remains unchanged for the entire lifecycle of the private endpoint.
- The private endpoint must be deployed in the same region and subscription as the virtual network.
- Multiple private endpoints can be created with the same private-link resource. For a single network using a common DNS server configuration, the recommended practice is to use a single private endpoint for a specified private-link resource. Use this practice to avoid duplicate entries or conflicts in DNS resolution.
- Multiple private endpoints can be created on the same or different subnets within the same virtual network.

Refer : https://docs.microsoft.com/en-us/azure/private-link/private-endpoint-overview

There are limits to the number of private endpoints you can create in a subscription. For more information, see Azure Private Endpoint limits.
- Number of private endpoints per virtual network - 1000
- Number of key vaults with private endpoints per subscription - 400

Apart from the above, there are no specific performance limitations or issues with private endpoints.

You may face private endpoint connectivity problems, for which you can refer the below troubleshooting doc:
https://docs.microsoft.com/en-us/azure/private-link/troubleshoot-private-endpoint-connectivity

Other things to consider would be Azure private endpoint DNS configuration depending upon your setup as DNS is a critical component to make the application work correctly by successfully resolving the private endpoint IP address.
Refer : https://docs.microsoft.com/en-us/azure/private-link/private-endpoint-dns

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


Please "Accept the answer" if the information helped you. This will help us and others in the community as well.


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