Understanding Azure Front Door

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: ...

Get Microsoft Azure Architect Technologies: Exam Guide AZ-300 now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.