trans-Atlantic latency?

Thu Jun 28 23:51:47 UTC 2007

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.