http://blogs.msdn.com/architectsrule/archive/2008/07/07/release-of-microsoft-application-request-routing-for-iis-7-ctp1.aspxApplication Request Routing for IIS7 is a proxy based routing module that forwards HTTP requests to content servers based on HTTP headers and server variables, and load balance algorithms. Application Request Routing can be used to: · Increase applicationen-USCommunityServer 2.1 SP1 (Build: 61025.2)