Ethereal-users: Re: [Ethereal-users] Throughput for a TCP connection?

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From: "Alok" <alokdube@xxxxxxxxxx>
Date: Wed, 21 Sep 2005 18:35:32 +0530
:-) perhaps you may like to ask this question to people at isi.edu
we have to live with what is made...
----- Original Message ----- 
From: "JS" <fedevaps@xxxxxxxx>
To: <ethereal-users@xxxxxxxxxxxx>
Sent: Wednesday, September 21, 2005 1:20 PM
Subject: [Ethereal-users] Throughput for a TCP connection?


> I have just oploaded a small text file to a server
> where I used ethereal to capture the traffic. I have
> read that I can calculate the average throughput for a
> TCP connection like this:
> 
> (0.75 * W)/RTT
> 
> Where W is the increased window size by 1 MSS each RTT
> until a loss occurs. But what if no loss occurs?
> 
> I have quite many TCP packages with a lot of different
> window sizes. If I need to do the calculation for the
> whole TCP connection it will take most of the day
> since RTT and window size varies all the time. What is
> the good thing about this formular when I have window
> sizes and RTT that varies?
> 
> 
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