[9857] in www-talk@info.cern.ch
Re: Improve the traffic condition on the Internet
daemon@ATHENA.MIT.EDU (Luigi Rizzo)
Thu Mar 21 05:59:40 1996
From: Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To: gh@748pku.pku.edu.cn (Gao Hong)
Date: Thu, 21 Mar 1996 11:51:04 +0100 (MET)
Cc: www-talk@w3.org
In-Reply-To: <9603210543.AA24508@www10.w3.org> from "Gao Hong" at Mar 21, 96 01:41:46 pm
Resent-From: www-talk@w3.org
> Alexei Novikov wrote:
> >As you have mentioned connection can be very slow, but to my mind the
> >main problem arrises when you are loading images ( that are already
> >sensibly compressed ), but not downloading text that is much smaller in
> >size and occupies probably 30 % or less.
>
> Actually the graphic and audio file is not the main traffic on the
> low speed network. When the transfer rate is very slow, no one
> dare to get those files. The main traffic on such net is the text
> files(include HTML files of course) and the compress rate for the
> text file is almost 70%, especially those file with JAVASCRIPT.
This is very true, but...
> Based on such thought, I think the compression over the text(html)
> file is neccesary and feasible.
...
>
> But my idea about compression is not the traditional ones that the
> compressed file can only be expanded after the file transfer process
> is completed. To make the reader feel no difference when reading
> the compressed file, the expanding process must be able to output
> the expanded information little by little so that in the transfer
this is what "compressing" modems do. Which might render an additional
compression layer useless.
Luigi
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Luigi Rizzo Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it Universita' di Pisa
tel: +39-50-568533 via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522 http://www.iet.unipi.it/~luigi/
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