COMPUTER NETWORKING

Detailed explanation-1: -Application Gateway can make routing decisions based on additional attributes of an HTTP request, for example URI path or host headers. For example, you can route traffic based on the incoming URL.

Detailed explanation-2: -URL Path Based Routing allows you to route traffic to backend server pools based on URL Paths of the request. One of the scenarios is to route requests for different content types to different backend server pools.

Detailed explanation-3: -An application gateway routes traffic to the backend servers (specified in the request routing rule that include HTTP settings) by using the port number, protocol, and other settings detailed in this component.

Detailed explanation-4: -A request routing rule is a key component of an application gateway because it determines how to route traffic on the listener. The rule binds the listener, the backend server pool, and the backend HTTP settings.

Detailed explanation-5: -Application gateway inserts six additional headers to all requests before it forwards the requests to the backend. These headers are x-forwarded-for, x-forwarded-port, x-forwarded-proto, x-original-host, x-original-url, and x-appgw-trace-id.