On Thu, May 31, 2001 at 11:13:56PM +0200, Roger Svenning allegedly wrote:
> Ok I see, so traffic shapers like altq and dummynet are made by people that
> don't understand the basics of tcp/ip ? :-)
> I didn't mean "blocked" literally, what I want is to make sure that smtp
> traffic, when qmail gets several thousand of mails dumped into it's queue,
> doesn't slow down http traffic too much, by putting some sort of a limit on
> qmail I want to avoid packetloss.
We understand what you want. Do you understand that qmail has no
facility for doing this? The only way is to use a traffic shaper
external to qmail.
Regards.
>
> -Roger
>
> -----Opprinnelig melding-----
> Fra: Russell Nelson [mailto:[EMAIL PROTECTED]]
> Sendt: 31. mai 2001 22:25
> Til: '[EMAIL PROTECTED]'
> Emne: Re: Limiting bandwidth usage
>
>
> Roger Svenning writes:
> > > Anyone have some advice on how to limit the bandwidth usage for qmail ?
> > >
> > > We have a mail/web server sitting on a 2mbit and several times a week
> we
> > > need to push out 30000+ mails and don't want this to totally block the
> web
> > > traffic to the same server.
>
> You don't understand how TCP/IP works. A sustained load through a
> network doesn't cause anybody to be blocked. It causes their
> transfers to slow down. TCP/IP interprets a lossy connection as an
> overloaded connection. That's why your IP connection must only lose
> packets when it is congested.
>
> --
> -russ nelson <[EMAIL PROTECTED]> http://russnelson.com
> Crynwr sells support for free software | PGPok | Microsoft rivets
> everything.
> 521 Pleasant Valley Rd. | +1 315 268 1925 voice | Linux has some loose
> screws.
> Potsdam, NY 13676-3213 | +1 315 268 9201 FAX | You own a screwdriver.
