The Azure Site-to-Site VPN gateway connection is a similar connection type to Azure VNet-to-VNet, only that this time it is not a gateway subnet that is the goal of the connection setup, but it is a local VPN gateway that gets into your on-premises network.
In the Azure Site-to-Site connection, an IPsec/IKE tunnel is also provided as a secure line between the two gateways. For this connection to be established, the local VPN gateway must have a public IP.
A note of caution: Data traffic performance is unpredictable, as traffic flows over the internet.
In the documentation for Azure networking, you can also find the term, Azure ...
