RE: What if Squid goes down?

> Each machine has two addresses (standard linux aliasing). If the main box
> goes out, or stops giving service, the redundant machine 'picks up' the
main
> machine's primary IP address (essentially giving it a third address) and
> takes over it's job until it determines (by testing the main machine's
> secondary address) that service has been restored. When it has, the
secondary
> lets go of the primary address, and lets the original box take over again.

There is also another way to do this via ARP tricks. You can do this via
linux @ http://www.muc.de/~hm/linux/HA/High-Availability-HOWTO.html. It's
interesting, plus it's quite quick comprared to browser switchovers.

Jordan

--
Jordan Mendelson     : www.wserv.com/~jordy/
Web Services, Inc.   : www.wserv.com