[97656] in North American Network Operators' Group
Re: trans-Atlantic latency?
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Thu Jun 28 20:01:10 2007
In-Reply-To: <4684423F.5070303@lists.rauhauser.net>
Cc: nanog@merit.edu
From: Iljitsch van Beijnum <iljitsch@muada.com>
Date: Fri, 29 Jun 2007 01:51:47 +0200
To: Neal R <neal@lists.rauhauser.net>
Errors-To: owner-nanog@merit.edu
On 29-jun-2007, at 1:20, Neal R wrote:
> What is a reasonable latency to see on a link of that distance?
You'll want to ask whether this is one-way latency or round trip time.
I'm seeing this from Amsterdam:
6 51.ae0.cr2.iad1.us.scnet.net (216.246.102.94) 82.686 ms 82.762
ms 82.808 ms
7 15.xe-1-2-0.cr1.ord1.us.scnet.net (216.246.36.246) 100.792 ms
100.830 ms 100.798 ms
8 v53.ar2.ord1.us.scnet.net (216.246.95.138) 101.051 ms 101.087
ms 101.042 ms
9 v223.aggr223.ord1.us.scnet.net (216.246.94.30) 101.301 ms
101.318 ms 101.423 ms
I don't think you're going to do significantly better than this, I'd
be amazed if anyone can do London - Chicago below 90 ms round trip.