http://blogs.esri.com/Info/blogs/gisedcom/archive/2009/06/26/routing-using-arcgis-online.aspxArcGIS Online now includes collection of tasks, including geocoding , and a routing service that supports point-to-point and optimized routing for North America and Europe. It is available as a standard, no-cost service with a limit of 5,000 routes perenCommunityServer 2.1 SP2 (Debug Build: 61120.2)