Alex,
This is a very interesting statistic, and I'd like to understand precisely what you mean by it.
If you'ld allow me to restate it. Do you mean that of all the traffic sourced to you from customers within the UK, 50% of that traffic is destined for other UK sites either to your own customers or exiting out an in country exchange point?
The remaining 50% of your traffic sourced within the UK is destined for outside of the country, and of this 50%, 50% of that is destined for Linx, 40% to the US, and 10% to Stockholm.
Is this correct?
Yes. In fact it means more than that as it works in both directions. Traffic on our network because it is travelling between customers of ours in the UK and hosts they are communicating over the world, 50% is handed of at LINX, 40% in the US and 10% at Stockholm. I haven't measured the equiv figures for customers in the US recently. I did a "by mouth" survey for many of the reasonably well peered people at the LINX of the above figure at the last LINX meeting, and everyone I asked was between 30% and 50% (we've tried quite hard to get our figure high for obvious reasons). Given you already have a box less than 100m away from LINX, does this mean we might see MCI routes there soon? :-) Alex Bligh Xara Networks
-scott --
From owner-nanog@merit.edu Wed Dec 4 16:26 EST 1996 X-Mailer: exmh 1.6.9 960923 (lol@xara.net) To: Jim Dixon <jdd@vbc.net> cc: "Alex.Bligh" <amb@xara.net>, nanog@merit.edu Subject: Re: Exchanges that matter... Mime-Version: 1.0 Date: Wed, 04 Dec 1996 21:05:59 +0000 From: "Alex.Bligh" <amb@xara.net> Sender: owner-nanog@merit.edu Content-Type> : > text/plain> ; > charset=us-ascii> Content-Length: 723
On Wed, 4 Dec 1996, Alex.Bligh wrote:
in content and in telecoms charging) perhaps. But ridiculous telco regulation within Europe and language differences makes a very strong case for at least one NAP per country (we dump about 50% of our UK traffic off in the UK).
What do you do with the other 50% of your UK traffic, Alex?
Country wise?
Difficult to divide up traffic sourced in the UK from traffic sourced outside teh UK just at the mo, but we send the vast majority of the rest to the states. I'd guess 50% to LINX (UK), 40% to US one way or another and 10% to Stockholm SE. The figures are not too easy to get as we are transitting US networks back to Europe too.
Alex Bligh Xara Networks