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