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From Jesse Kielthy <jkiel...@yahoo.com>
Subject Re: Antw: query regarding Apache bandwidth requirements
Date Fri, 25 Jun 2004 12:46:10 GMT
Hi André,

I had thought that, but I just wanted to be sue.

Do you know a reason why there is a 3MB peak at the
start? Is it something to do with Server set-up
connection requirements?

Rgds,
Jesse 

--- Andre Schild <A.Schild@aarboard.ch> wrote:
> Don't you think,
> 
> that the client is filling up it's buffer, and the
> after it's full just
> stream what it has played ?
> 
> André
> 
> aarboard ag
> internet - networks - screen&print design -
> multimedia
> Egliweg 10 - Postfach 214 - CH-2560 Nidau
> (Switzerland)
> Phone +41 32 332 9714 - Fax +41 32 332 9715
> www.aarboard.ch - a.schild@aarboard.ch
> 
> >>> jkielthy@yahoo.com 25.06.2004 13:43:04 >>>
> Hi,
> 
> I have an Apache2 server that streams video to a VLC
> client. I have used NeTraMet to capture the traffic
> and used this data to draw the traffic profile.
> There
> is no other traffic on the test-bed (except for
> RIP).
> 
> This profile shows a peak of about 3MB at the very
> beginning. After that, the streamed data is fairly
> constant at 200KB. Periodically (every 30 seconds),
> the TCP connection window size gets smaller,
> resulting
> in troughs in the profile. I am finding this
> behaviour
> particularly difficult to understand. I was thinking
> that the RIP updates might cause the window to
> decrease, but I'm not sure. It seems fairly severe
> that RIP would cause this behaviour.
> 
> So I am trying to explain this phenomena - does the
> Apache server require this extraordinary amount in
> order to initially set up a connection?
> 
> And is there some process where it will reduce the
> window size at regular intervals, maybe by buffering
> the data (which could result in the window being
> reduced)?
> 
> Thanks for any help,
> Jesse
> 
> 
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