SQL Adaptor: Receive and Send Ports

Have you taken a look at this white paper: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/BTS_2004WP/html/74cfc9d0-0974-4f4a-81f5-6768ff245df1.asp

I think Todd has some samples available for download with the paper that might help.