Macintoshes send source quench when you repeatedly ping them. I've never
seen any router send it. I think routers phased out source quench many
years ago. Macs are the only end nodes I have seen use it. They have to be
different, you know! &;-)
Priscilla
> >SOURCE QUENCH:
> >
> >The Source Quench message is used when IP needs to
> >perform congestion control. An intermediate router or
> >the destination host unsually sends an ICMP Source
> >Quench message for every datagram that it has to drop.
> >
> >The source, on receiving the Source Quench message,
> >loweres the rate at which is sends the datagrams. It
> >keeps lowering the rate as long as it receives the
> >Source Quench messages. Since there is no ICMP
> >message to indicate that the originator of the Source
> >Quench message is releived the host begins increasing
> >the rate when it stops receiving the Source Quench
> >messages.
> >
> >It continues to do so until it either reaches the
> >maximum rate or starts receiving the Source Quench
> >message again.
> >
> >--- Raees Ahmed Shaikh <[EMAIL PROTECTED]> wrote:
> >> Source Quench !!!!!
> >>
> >> -----Original Message-----
> >> From: Mauro Conosciani [mailto:[EMAIL PROTECTED]]
> >> Sent: Monday, January 15, 2001 1:51 PM
> >> To: [EMAIL PROTECTED]
> >> Subject: Ping
> >>
> >>
> >> What does a QQQQQ ping respond mean ??????
> > > Thanks ???
________________________
Priscilla Oppenheimer
http://www.priscilla.com
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