Load balancing multiple SSO mid-tier with single SSO database

I want to load balance SSO middle tier servers and have them access a single SSO database. When you install infrastructure and select SSO only it creates a new infrastructure database. How can I install multiple SSO servers and point them to a single database. I am doing Load Balancing with F5 and read an Oracle WP where they mentioned an Oracle supported configuration where they load balanced SSO servers with F5.
KB

Two possible solutions:
1.) Oracle 10gAS Enterprise Deployment Guide (B13998-03) follow the configuration for SSO configuration in Chapter 5.
2.) I have not tried this but it should be logically possible with the SSO. 10gAS Administrators guide (B13995-05) Part III Advanced Administration. The success of this method assumes you have OID and SSO each installed in separate homes. You would be cloning the SSO home to another box as if it were a middle tier (it is still part of the infrastructure) then re-configuring it on the new box.
Personally solution 1 is the best method. We are using F5 Big-IP with this configuration and it is working great.
Hope this helps!

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