Home-built Computers Re: Why doesn't 56k modem maintain initial download speed?

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Re: Why doesn't 56k modem maintain initial download speed? Unknown 11-30-07
Posted by Unknown on November 30, 2007, 5:30 pm
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It is constantly calculating an average speed as it is running. If for
example, one block of data has a transmission error
it must be retransmitted changing the average speed.
>I find that when downloading a file, the initial kbps speed shown
> typically starts out much faster than it ends up. It might show a
> speed of 15 or 20 kbps and then eventually winds down to typically
> around 5 kbps.
>
> During those initial seconds when the speed is higher, it might d/l
> 300 or 400 kb really quick, at a much faster pace than it does for the
> rest of the download.
>
> It seems that the modem is capable of taking the data much more
> rapidly than the speed at which it maintains the download, why doesn't
> it maintain the higher speed?



Posted by Plato on November 30, 2007, 5:41 pm
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Unknown wrote:
>
> It is constantly calculating an average speed as it is running. If for
> example, one block of data has a transmission error
> it must be retransmitted changing the average speed.

Due to the speed of the connection and the server you are downloading
from.

> >I find that when downloading a file, the initial kbps speed shown
> > typically starts out much faster than it ends up. It might show a
> > speed of 15 or 20 kbps and then eventually winds down to typically
> > around 5 kbps.
> >
> > During those initial seconds when the speed is higher, it might d/l
> > 300 or 400 kb really quick, at a much faster pace than it does for the
> > rest of the download.
> >
> > It seems that the modem is capable of taking the data much more
> > rapidly than the speed at which it maintains the download, why doesn't
> > it maintain the higher speed?

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