[105980] in North American Network Operators' Group

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Re: Analysing traces for performance bottlenecks

daemon@ATHENA.MIT.EDU (Sam Stickland)
Tue Jul 15 08:54:18 2008

Date: Tue, 15 Jul 2008 13:53:45 +0100
From: Sam Stickland <sam_mailinglists@spacething.org>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <487C766E.9070501@spacething.org>
Errors-To: nanog-bounces@nanog.org

A bit more googling has found the Web100 projects NDT 
(http://e2epi.internet2.edu/ndt/). I'm currently making a Linux VM that 
can run it. It's useful, but I'm still really after something that can 
do it's type of analysis from a packet capture.

Sam

Sam Stickland wrote:
> Hi,
>
> Are there any packages (or Wireshark options that I've missed) that 
> can follow a TCP stream and determine the limiting factor on 
> throughput. E.g Latency, packet loss, out of sequence packets, window 
> size, or even just the senders rate onto the wire. I know how to 
> analyse a trace by hand for performance issues, but it's relatively 
> time consuming.
>
> Googling for variations on "Analyse TCP stream limit throughput" 
> didn't find anything.
>
> Sam
>



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