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From Perrin Harkins <per...@elem.com>
Subject Re: lame load balancer, mod_proxy, and sticky sessions
Date Tue, 10 Sep 2002 15:29:57 GMT
mod_perl@att.net wrote:
> The idea to modify mod_proxy.c is probaly the most 
> convenient solution. Instead of configure backend 
> machine from the ProxyPass setting, you may specifically 
> assign it to the one in the cookie, which takes only a 
> few lines of code to change --- well, plus extra steps 
> to handle the cookie.

But you're not accounting for the possibility of server failure on the 
backend.  A proper load-balancer (including the open source ones and 
mod_backhand) would detect dead servers and handle the failover to 
another server.  Building this yourself is probably not worth it, with 
so many open source solutions already available.

- Perrin


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