There are two main types of virtual network configurations; one that will remain completely in the Azure cloud known as cloud-only, and the other one known as a cross-premises network that will allow both cloud-based and on-premises resources to communicate. We will discuss both the types here.
Cloud-only virtual networks are useful when you have an entire system and its various tiers that reside in Azure, and there is no need for these virtual machines to communicate with other resources in different networks. Cloud-only virtual networks are virtual networks that reside entirely in Microsoft Azure. There is no need for a VNET gateway to be able connect back to your on-premises network or to another virtual network in Microsoft Azure.
There are some subtle differences when it comes to setting up and configuring a cloud-only virtual network compared to a cross-premises network configuration. With a cloud-only virtual network, you will...