Azure Front Door offers a service that also works at the application layer (Layer 7). It is an Application Delivery Network (ADN) as a service, and it offers various load balancing capabilities for your applications.
Both Azure Front Door and Azure Application Gateway are Layer 7 (HTTPS/HTTPS) load balancers. The difference between the two is that Front Door is a global service, whereas Application Gateway is a regional service. This means that Front Door can load balance between different scale units across multiple regions. Application Gateway is designed to load balance between different VMs/containers that are located inside the same scale unit.
Azure Front Door offers the following features and capabilities:
- Accelerate application performance: End users can quickly connect to the nearest Front Door Point of Presence (POP) using the split TCP-based anycast protocol. It then uses Microsoft's global network to connect the application to the backend...