Application Request Routing - Microsoft

Administrators can configure health tests (such as sending a GET request to a specific URL) to automatically determine the status of backend servers and remove unhealthy ones from rotation.

ARR extends the capabilities of standard web servers by providing the following key features: microsoft application request routing

Unlike hardware load balancers that often operate at the IP level (Layer 4), ARR operates at the application level. It can route traffic based on host names, URL patterns, cookies, and other HTTP header information. Administrators can configure health tests (such as sending

is a proxy-based routing module for Internet Information Services (IIS) that allows an IIS server to function as a sophisticated Layer 7 load balancer. By inspecting incoming HTTP headers and server variables, ARR makes intelligent routing decisions to forward traffic to one or more backend content servers. Core Functionality & Features is a proxy-based routing module for Internet Information