After polling duplex support for WCF was released in Silverlight 2 ( http://msdn.microsoft.com/en-us/library/dd470105(VS.95).aspx ), some customers reported the issue that when a polling duplex service co-exists with normal WCF service on the same IIS...

The recent post about performance of Silverlight HTTP polling duplex protocol pointed out scalability challenges associated with deploying a WCF service using the protocol in a web farm scenario. This follow up article introduces one possible solution...