ACE Load Balancing/Probing for HTTP host headers for multiple sites on rservers

I need some expert advice on implementing load balancing on a CISCO ACE device. I have a farm of three Windows 2003 Servers, running IIS 6. On each IIS instance, I have 10 websites. Each website is listening on the same ip address and port. The sites are differentiated through their Host Headers. How can I probe each of the 10 sites individually on each server, and remove just one server's website from a load balancing pool when it is unresponsive, but keep the other 9 sites still routing traffic to the server? ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform CISCO ACE