Robert Paris <rpjava@hotmail.com> wrote:
> Is it possible to configure a router so it's hooked to two servers and
> have it either:
>
> 1. Send requests to one server unless that one doesn't respond, and
> then automatically switch over?

Failover. Have a look at the heartbeat package.

> 2. Send requests to two (or more) servers at once? i.e. duplicate the
> requests and send to all connected servers?

You want load balancing. Google for it.

One effective solution if you're serving many different hosts on the
internet is to use Round Robin DNS.

You might also try search for High Availability on the Linux Journal
website.

--
Cameron Kerr
cameron.kerr@paradise.net.nz : http://nzgeeks.org/cameron/
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