When to use Azure Front Door
When building a scalable application, you must always consider how data will be delivered to your customers. Files, application programming interfaces (APIs), and web pages should always be available and—possibly—cached to improve performance and lower latency. When global reach is considered, you need to find a reliable service that not only serves static content but also allows for integration with a backbone network and works as the first line of defense against common attacks.
Azure Front Door is a unique solution for traffic management as it is deployed to Azure edge locations and leverages the backbone network of Microsoft to help route all requests in an optimal manner. The overall idea is presented in the following diagram:
Figure 22.1 – General routing concept for Azure Front Door
As you can see, when Azure Front Door is deployed and used in your communication path, the customer firstly connects...