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List:       apache-httpd-dev
Subject:    Re: Reverse proxy supporting failover
From:       "Ralf S. Engelschall" <rse () engelschall ! com>
Date:       1999-11-27 9:50:17
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In article <383E8E03.95DBED55@sharp.fm> you wrote:

> I am wondering if mod_proxy does this already, a simple yes or no answer
> is what I'm after.
> 
> If two (or more) IP addresses are defined for a backend server served by
> a reverse proxy configuration, and one of those servers is not
> responding for whatever reason, will Apache automatically try the other
> one after a suitable timeout?
> 
>  +--------+      +------------------------------+
>  | Client | ---> | R/Proxy server               |
>  +--------+      | /blah --> blah.somewhere.com -----+
>                  +------------------------------+    |
>                                                      |
>                                 +--------------------+--+
>                                 v                       v
>                  +--------------------+     +--------------------+
>                  | blah.somewhere.com |     | blah.somewhere.com |
>                  |  192.168.0.1       |     |  192.168.0.2       |
>                  +--------------------+     +--------------------+
> 
> If yes, woohoo! If no, then I'll start a-hackin'.

The answer is "no", mod_proxy does not such fallbacks to other servers. 

                                       Ralf S. Engelschall
                                       rse@engelschall.com
                                       www.engelschall.com

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