RAC Connection Aware

We were re-hosted from a single node Unix Oracle server to a RAC 3 node environment  (running 11.2.0.3) recently. The RAC environment has been experiencing issues lately where 1 node goes offline. Our website usually starts generating connection errors and/or hangs due to the connections not failing over to another available node. We usually have to recycle the website to restore functionality. Our website is based on a classic asp COTS application along with our own customizations. The COTS web app connects using OLEDB via a session variable defined in the global.asa and the COTS middleware is using SQL*NET. Our