Massimo Nuvoli:
> donovan jeffrey j ha scritto:
> >
> > On Feb 16, 2010, at 8:09 AM, aa wrote:
> >
> >> Someone advised me to insert in the DNS zone a list of MX records
> >> defined with the same level of priority so the DNS server will choose
> >> one of them without invoking always the same mail server....
> >> It could be an idea, in my opinion, but I'd prefer a "less random"
> >> solution and a more scientific one....
> > very easy for smtp relays.
> > smtp1
> > smtp2
> > create a dns name smtp, and your system will round robin query for the
> > next available server.
>
> DNS round robin is bad, it works but is defective for real load
> balancing. The client choose the IP to use, this is "random", and
> after can use the same ip for a while... this is not random.
This is a technical mailing list. When you claim that something is
bad, you need to support that claim with actual evidence. Otherwise,
you are just spreading rumors.
How many clients hang on to a server's IP address? How many of
these hang on to the same server IP address? What evidence is the
basis for these claims?
Wietse
