North American Network Operators Group|
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical
Re: Transatlantic response times.
London to NYC 70ms RTT London to Seattle 150ms RTT On Mon, 25 Mar 2002, Pistone, Mike wrote: > > I wasn't really sure where to post this, but I figured NANOG would have some > insight or at least experience here. > > I was curious if anybody would share what they consider to be average or > acceptable transatlantic ping response times over a T1. > I know there are tons of variables here, but I am looking for ballpark > figures. > Assume that utilization on the circuit is extremely low, and you are > measuring point to point across the line. You can also assume no other > bottlenecks effecting the response times (router performance, or what not). > Should you see a ~150ms trip? 250ms? 450ms??? > > Also, if possible, include the to and from info. Obviously NYC to London > is a bit different than Dallas to Prague or something. > > Is there any equation to estimate response times? For example, if your > circuit from A to Z has a 500ms avg response, than that equates to a circuit > distance of aprox. 5000 miles or something? > > Thanks in advance, > > > Mike > > > > -- Stephen J. Wilcox IP Services Manager, Opal Telecom http://www.opaltelecom.co.uk/ Tel: 0161 222 2000 Fax: 0161 222 2008