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To: Dan Nelson <dnelson@emsphone.com>
Cc: questions@FreeBSD.ORG
Subject: Re: cable modems 
In-Reply-To: Your message of "Sun, 23 Aug 1998 14:59:09 CDT."
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From: bmah@CA.Sandia.GOV (Bruce A. Mah)
Reply-To: bmah@CA.Sandia.GOV
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If memory serves me right, Dan Nelson wrote:

> BTW, it looks like the reason that cablemodems are so blazing fast is
> that they simply proxy everything.  Just about everything except telnet
> is cached.

Excuse me?  While I'm not sure that I'd characterize ssh, X11, and cvsup over 
@Home as "blazing fast", they're all reasonably snappy, and I'm fairly sure 
that none of these applications have their data proxied or cached by @Home.  
:-)

Not to nitpick, but it's the ISPs that decide if they want to support proxies 
for different applications or not.  The cable modems themselves don't have 
anything to do with proxying, and if they didn't deliver a decent bitrate to 
the end users, all the proxying in the world wouldn't help.  [1]

Now if you were to say that, in general, the cable modem ISPs improve their 
customers' Web browsing performance through the use of aggressive caching, I'd 
be in solid agreement.

Cheers,

Bruce.

[1]  With the exception of proxies that do transcoding or resolution reduction.





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