Ian Eiloart escribió:
>
>
> --On 9 November 2007 12:50:43 +0100 Adrian Chapela
> <achapela.rexistros@???> wrote:
> Provision of IP failover is highly dependent on the platform that
> you're using. It's not required for MX availability, because remote
> servers will try all your advertised servers. It is required for MSA
> availability, because MUAs will not.
Yes you are right, but if you have clients locally on your company, they
must connect to a smtp server and DNS round robin it isn't the best
solution to get hight availability (IMHO).
>
> We use MacOSX servers. OSX has a reasonably easy to configure IP
> failover mechanism, as long as you only have two servers. When we went
> beyond two servers, we deployed spread and wackamole which make
> failover configurations for any number of servers trivial. For
> example, we have 12 imap server IP addresses, to ensure good load
> balancing with either 4, 3 or 2 available hosts. Wackamole simply
> needs to know what the addresses are, and endeavours to share them out
> equally among available servers.
Yes.. it sounds perfect...
>
> <http://www.spread.org/>
> <http://www.backhand.org/wackamole/>
Best regards.
