ARR's functionality can be described as a load balancing and reverse proxy, although it is not as advanced as some dedicated reverse proxy products such as Microsoft UAG and dedicated load balancing solutions. Open Server Manager and click Manage > Add Roles and Features. ARR can be configured to redirect traffic based on server variables, URLs, cookies and more, and performs full layer 7 load balancing. The ArcGIS Web Adaptor requires that IIS be enabled and specific IIS components be. ARR is available as a download from Microsoft's download center, or via Microsoft's Web Platform Installer (WebPI).ĪRR requires the URL Rewrite extension to function, and uses it for routing requests. The current version is supported in x86 and 圆4, and can be installed on IIS 7.0 or later (Windows 2008 or later). ĪRR is currently available in version 3.0, released on July 26, 2013. By load balancing requests, high availability of web servers can be achieved without incurring the typically high costs of dedicated load balancing products. With ARR, an IIS server can be configured to route incoming requests to one of multiple web servers using one of several routing algorithms. downloads /microsoft /application-request-routingĪpplication Request Routing ( ARR) is an extension to Internet Information Server (IIS), which enables an IIS server to function as a load balancer.

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