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Cable Modems



Some cable companies did allow higher bandwidth. A friend of mine near rochester. NY on RR did 
have a full 10Mbps bandwidth on cable. There are several reasons that cable providers limit the 
bandwidth. One is to prevent single users from taking up all the available bandwidth. Another is 
for marketing where they can segment the market and provide higher bandwidths at a premium. 

On the upline side, the limit is usually with the cable plant itself. The repeaters themselves are 
very limited. 

Some of the former @home users have been complainig that AT&T has reduced their bandwidth 
since AT&T is limiting the bandwidth to 1.5Mbps. 
On 11 Feb 2002 at 14:01, Chuck Young wrote:

> Sorry Jerry,
> 
> I meant the cable side, not the ethernet.  Currently most users expect 300k
> up and 1.5 Mb down (to them from the net).  Purportedly, there was a way to
> get 1.5 in both directions with the LanCity.  Not that it matters, because I
> never saw proof that it could be engineered not to limit upstream bandwidth
> to 300k.  Besides proof-of-concept, it is uninteresting.
> 
> I'm sure someone from AT&T would be troubleshooting the neighborhood segment
> and find you/me hogging upstream bandwidth and terminate your agreement for
> gross violations of something :-)  Maybe not today, and maybe not tomorrow,
> but someday somewhere...
> 
> ---------------
> Chuck Young
> Security Consulting
> Genuity E-Services
> --------------------
> 
> -----Original Message-----
> From: discuss-admin at blu.org [mailto:discuss-admin at blu.org]On Behalf Of
> Jerry Feldman
> Sent: Monday, February 11, 2002 1:11 PM
> To: discuss at blu.org
> Subject: RE: Cable Modems
> 
> 
> I believe that the LAN City is cabable of doing 10Mbps bidirectional. Not
> sure about the others.
> The only issue on the Lan City is that it is not DOCSIS compliant, which is
> ok for use here.
> On 11 Feb 2002 at 11:57, Chuck Young wrote:
> 
> > I've been using the Toshiba for about a year with no issues.
> >
> > I had heard that the LanCity can be cranked up for push speed greater than
> > 300k, but it was just a M-1 rumor.  I also think the LanCity uses more
> power
> > as it runs a little hotter - that radial fin heatsink reminds me of my
> first
> > European (DKW)motocross bike :-)
> Jerry Feldman <gaf at blu.org>
> Associate Director
> Boston Linux and Unix user group
> http://www.blu.org PGP key id:C5061EA9
> PGP Key fingerprint:053C 73EC 3AC1 5C44 3E14 9245 FB00 3ED5 C506 1EA9
> 
> _______________________________________________
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> Discuss at blu.org
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> 

Jerry Feldman <gaf at blu.org>
Associate Director
Boston Linux and Unix user group
http://www.blu.org PGP key id:C5061EA9
PGP Key fingerprint:053C 73EC 3AC1 5C44 3E14 9245 FB00 3ED5 C506 1EA9





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