Re: Linux TCP in the presence of delays or drops...

2006-08-01 Thread Oumer Teyeb
Thanks Ilpo for the info! I am trying out the tests now using timestamps only and without FRTO, and vice versa and see if there is any change. Actually, I have also noticed in some of the traces also this behaviour of FRTO where it mistook a loss as spurious which leads to further performance

Re: Linux TCP in the presence of delays or drops...

2006-08-01 Thread Ilpo Järvinen
On Mon, 31 Jul 2006, Oumer Teyeb wrote: > -If multiple timeouts occur for one packet then even if we are using the > timestamp option or FRTO TCP linux is not able to detect spurious > retransmissions... and TCP linux is able to detect spurious retransmissions > only for a single timeout for one p

Re: Linux TCP in the presence of delays or drops...

2006-07-31 Thread Oumer Teyeb
Hi David, My intention when I wrote the second mail was just to provide some more examples that further elaborate my first question. But as you noticed, I couldnt resist the temptation to slip in a couple of new questions on the new post :-(...sorry and will take your advice into consideration

Re: Linux TCP in the presence of delays or drops...

2006-07-31 Thread David Miller
From: Oumer Teyeb <[EMAIL PROTECTED]> Date: Mon, 31 Jul 2006 19:49:28 +0200 > it would be so great if some of you could spare a few minutes and take a > look at the traces I provided.see below for the original postng... If people are too backlogged and busy to reply to your original posting,

Re: Linux TCP in the presence of delays or drops...

2006-07-31 Thread Oumer Teyeb
Hi, it would be so great if some of you could spare a few minutes and take a look at the traces I provided.see below for the original postng...I just had a couple of things to add which I noticed in linux TCP behaviour which I have not seen documented anywhere else (or which I might have

Linux TCP in the presence of delays or drops...

2006-07-30 Thread Oumer Teyeb
Hi all, I have some questions regarding Linux TCP in the presence of delays or packet drops. It is somehow long mail, but the questions are two or three, just wanted to provide a detailed information so that the problem is clear. thanx for the patience!! Best regards, Oumer Note that for th