On Mon, 13 Jan 2003 11:03:28 -0500 John Siracusa <[EMAIL PROTECTED]> wrote:
> We've been struggling with load balancers for a while now. My > requirements are pretty simple. I have a handful of plain and mod_perl > apache servers, some of which are identical and a few of which are the > only ones that can perform unique functions. We want a load balancer > that: > > > * distributes requests to the server(s) that can handle them. I need to > route to specific servers based on requested URL and perhaps headers > and/or protocol type (SSL). > > * detects when a server is down and does not send request to that > server. This process should be as transparent to the user as possible. > > * doesn't crash or lock up. The Load Balancing section of this doc might help: http://httpd.apache.org/docs/misc/rewriteguide.html Just straight apache + mod_rewrite could be the simple solution you seek. The Proxy Throughput Round-Robin example shows how to add a script to do mapping as well - could work for your availability detection requirement. Bye Paolo