The second important thing with Azure Stack is the gateway. We will take a look at this architecture now:
Now you have learned how the gateway and the software load balancer are working and that Azure Stack is using BGP only for internal communication. The next step is to take a look at how the internal SDN setup for communications between Windows Server 2016 Hyper-V hosts works and how they will interact:
Source: https://docs.microsoft.com/en-us/windows-server/networking/media/plan-a-software-defined-network-infrastructure/sdn-gw-deployment.png ...
