@saurabh - Thanks for the question and using MS Q&A platfrom.
Azure Databricks supports both public and private endpoints for data transfer between the control plane and data plane.
If you use a public endpoint, data transfer occurs over the public internet. If you use a private endpoint, data transfer occurs over a private peering link.
To use a private endpoint, you need to configure a private link service in your Azure virtual network and then create a private endpoint for Azure Databricks. Once the private endpoint is created, you can use it to access Azure Databricks workspaces and clusters securely over the private peering link.
Although architectures can vary depending on custom configurations (such as when you’ve deployed an Azure Databricks workspace to your own virtual network, also known as VNet injection), the following architecture diagram represents the most common structure and flow of data for Azure Databricks.
By default, every Azure Databricks deployment creates a locked virtual network (VNet) in your Azure subscription. All clusters are created in that virtual network.
You can find more information about Azure Databricks architecture overview and Enable Azure Private Link.
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