At 02:47 PM 12/20/01 -0500, Thomas Fisher wrote the following:

[snip]
>DSL has basic download speeds starting around 400 Kbps (kilobits per second)
>to maybe 1500 Kbps (for a high fee).  Upload speeds are usually much higher.
>Look at the download speed, since that is what applies to your browser use.
>Upload is for things like uploading web pages to servers, etc.

Earthlink.net DSL (now US $49.95/month --I started on the DSL trial program 
so only paid $14.95/month for the first year) via PacBell aka SBC 
guaranteed my speed (04Jun99) to be in the range
--Downstream speed of at least 384Kbps and up to 1.5Mbps
--Upstream speed of 128Kbps

I notice that the web site still shows these same values today. Click on 
"speed" in left-pane.
https://register.earthlink.net/cgi-bin/wsisa.dll/broadband/main.html

I consistently get (2-1/2 years) about 1.2Mbps download. Upload is always 
at 128Kbps.

The reason that up/down speeds differ is due to the DSL really being ADSL 
(Asymmetric Digital Subscriber Line)
Asymmetric means that speeds are not the same in both directions. Most ISPs 
don't mention this fact. In addition, the telco's equipment also determines 
the up/down speeds. The reason so many of them use the "bare bones" speed 
of 384Kbps is because their copper phones lines and/or equipment is so old.

According to Webopedia (http://webopedia.internet.com/)
ADSL supports data rates of from 1.5 to 9 Mbps when receiving data 
(downstream rate) and from 16 to 640 Kbps when sending data (upstream rate).


--
Gerry Boyd
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