Sorry Simon,

   I am used to ping times in the area of 20 - 50 ms so when I see times
above 500ms then I start looking for more. Guess I should have worded it
differently

I agree there is some upstream issues with the connection as packet times
are varied
----- Original Message -----
From: "Simon White" <simonmtds.com>
To: <postfix-userspostfix.org>
Sent: Thursday, January 02, 2003 12:42 PM
Subject: Re: urgent !!! problem receiving mails from hotmail

> 02-Jan-03 at 12:36, Bill James (billibill.no-ip.org) wrote :
> > Here is a trace from the far side of my cable modem...Times are VERY
high
> > once you get close to you
> > 24 202.41.225.34 (202.41.225.34) 500.919 ms 502.656 ms 500.510 ms
>
> Call 500ms high? Obviously never been the wrong side of a satellite link
> then. A lot of places in Africa I've been to don't get less than about
> 800ms to anywhere.
>
> DNS lookups are working here now. They'll be cached for the TTL value so
> clearly that should be OK.
>
> I think this is probably a transitory problem, maybe a DNS not
> responding for a while, or some cache pollution somewhere due to a bad
> entry.
>
> A few hops from a trace from here:-
>
> 12 202.183.72.182 (202.183.72.182) 456.167 ms 463.511 ms 462.259 ms
> 13 202.41.225.34 (202.41.225.34) 607.545 ms 600.297 ms 611.907 ms
> 14 unassigned-31-66-109-203.worldgatein.com (203.109.66.31) 485.743 ms
> 490.235 ms 483.796 ms
> 15 mx1.worldgate.co.in (203.109.64.24) 458.024 ms 547.959 ms 464.095
> ms
>
> Seems that there may be congestion upstream though, since there's a lot
> of variance in times between two packets
>
> >From a ping summary:
> 22 packets transmitted, 21 packets received, 4% packet loss
> round-trip min/avg/max/mdev = 451.829/456.372/471.314/5.163 ms
>
> So there may be a bit of packet loss / congestion... is your link
> saturated upstream?
>
> --
> [Simon White. vim/mutt. simonmtds.com. Foldinghome no log script yet...]
> It is impossible to sharpen a pencil with a blunt axe. It is equally vain
> to try to do it with ten blunt axes instead. -- E. W. Dijkstra
> [Linux user #170823 http://counter.li.org. Home cooked signature rotator.]

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