[Codel] [Bloat] Network test tools for many parallel/concurrent connections?

Stephen Hemminger stephen at networkplumber.org
Tue May 14 11:47:26 EDT 2013


On Tue, 14 May 2013 15:48:38 +0200
Jesper Dangaard Brouer <jbrouer at redhat.com> wrote:

> 
> (I'm testing fq_codel and codel)
> 
> I need a test tool that can start many TCP streams (>1024).
> During/after the testrun I want to know if the connections got a fair
> share of the bandwidth.
> 
> Can anyone recomment tools for this?
> 
> After the test I would also like to, "deep-dive" analyse one of the TCP
> streams to see how the congestion window, outstanding-win/data is
> behaving.  Back in 2005 I used-to-use a tool  called
> "tcptrace" (http://www.tcptrace.org).
> Have any better tools surfaced?
> 


You may want to look at some of the "realistic" load tools since
in real life not all flows are 100% of bandwidth and long lived.



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