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Technology Stocks : ADSL, ISDN, and the future.
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To: Joan Osland Graffius who wrote (93)3/27/1996 2:33:00 PM
From: yard_man   of 198
 
You are correct that, as its currently configured, the cable to your
house is a one way path. However, this doesn't have anything to do
with any inherent properties of the cable itself - only the hardware
that's attached.

What I was trying to elicit comments on was: What is required
technically in an upgrade for the cable companies to be
able to offer two-way data services? The bandwidth available in
coaxial cable is much greater than the bandwidth of the copper lines
used for telephone service. I'm not saying this puts the cable
companies at any economic advantage. They simply have a much larger
bandwidth available in the last link to your house. The cost to
upgrade their networks may be prohibitive for all I know. It seems
resonable to assume that this would be costly since their networks
are currently optimized for broadcast services, not switched services.
If someone really knows a lot about this I'd appreciate hearing
what's involved.
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