Re: Redundancy - why not do it on Unix?

From: Bruce Campbell <>
Date: Fri, 7 Nov 1997 12:15:53 +1000 (EST)

On Fri, 7 Nov 1997, David Luyer wrote:

> You could protect from this by doing something like it on unix...
> * setup a machine with an IP alias of your main cache machine somehow
> modified so it is slow at responding to ARP requests, or make a job
> insert the IP alias only when the other cache is detected as being down.

Dunno about you, but my routers take at least a minute to notice a new
IP->ARP mapping, and by then squid has restarted anyway.

If you are going to run multiple caches, run something like a small proxy
only cache that uses ICP to figure out which are caches are reliable
(recompile with minimal logging?) , or have your own concocted stream
switching thing ( cron + plug-gw ;) ) - Dancer's sparent seems to do the


I am the God of Hellfire, and I bring you..
             FIRE, I'll teach you to burn;
             Fire, I'll teach you to learn;
Received on Thu Nov 06 1997 - 18:19:29 MST

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