Load Balancing with Postfix [and SpamAssassin]

Andrew McNabb amcnabb at mcnabbs.org
Fri Jan 20 13:30:48 MST 2006


On Fri, Jan 20, 2006 at 01:14:29PM -0700, Michael L Torrie wrote:
> No IP is not "best effort."  TCP/IP is, though.  IP packets merely
> have a source and a destination and they get sent on their way, the
> sender never knowing if they will ever be delivered unless the
> transport on top of IP has a machanism for that.  Anyway, like e-mail,
> TCP keeps trying until it gets through or times out.  I'm always
> amazed how a tcp connection can stay up over several minute physical
> outage.

I've put my laptop to sleep, kept it off for a few hours, moved to a
different location, and still had ssh connections working.  It's
amazing.

-- 
Andrew McNabb
http://www.mcnabbs.org/andrew/
PGP Fingerprint: 8A17 B57C 6879 1863 DE55  8012 AB4D 6098 8826 6868
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