clustering scenario help needed

Hi,

What I have is Apache & Tomcat serving a webapp. What I want to do is to 
have 3 Tomcat servers, and use 1 Apache for load balancing. I have to 
have sticky sessions. This introduces the Apache instance as a single 
point of failure which I'm looking at how to provide redundancy. Will 
mod_backhand replicate information between two Apache instances so that 
if one goes down, the other can continue load balancing to the correct 
server for users?

Also is it production safe ?

Any help is much appreciated.
Pete.


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