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Strategies & Market Trends : DAYTRADING Fundamentals

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To: Wes Stevens who wrote (206)6/7/1999 9:10:00 PM
From: Raymond Duray  Read Replies (3) of 18137
 
Hi Wes,

<Anyone have inside info on how may cable modems tipically get put on a single channel?>

This technique is still in it's infancy and the MSOs are using anywhere from 50 end users per head end (T experimental installation in Salt Lake City) to 500 end users (a common design spec, tried by T in Fremont, CA recently with terrible results.) Regarding the Fremont experiment, they found out that on one headend, one user had set up a server farm and was hogging ~90% of the available bandwidth leaving the other 499 users with less than 15Kbps of bandwidth each. Ouch!

To be correct Wes, a T-1 line is 1.544Mbps. ((24 x 8)+1 x 8000 =1.544)

For those who can get access to it, an HDSL line would be far superior to ADSL for fast trading applications in frenzied markets because with HDSL you have symmetrical signalling, i.e. your trade request get just as much bandwidth as the incoming signal.

Best, Ry
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