From: Hagen Paul Pfeifer <hagen@jauu.net>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Stefano Salsano <stefano.salsano@uniroma2.it>,
David Miller <davem@davemloft.net>,
Fabio Ludovici <fabio.ludovici@yahoo.it>,
netdev@vger.kernel.org, netem@lists.linuxfoundation.org
Subject: Re: [RFC] netem: correlated loss generation (v3)
Date: Wed, 19 May 2010 23:42:39 +0200 [thread overview]
Message-ID: <20100519214239.GD5146@nuttenaction> (raw)
In-Reply-To: <20100517205621.036a06e0@nehalam>
* Stephen Hemminger | 2010-05-17 20:56:21 [-0700]:
>Subject: netem - revised correlated loss generator
>
>This is a patch originated with Stefano Salsano and Fabio Ludovici.
>It provides several alternative loss models for use with netem.
>There are two state machine based models and one table driven model.
>
>To simplify the original code:
> * eliminated the debugging messages and statistics
> * reformatted for clarity
> * changed API to nested attribute relating to loss
> * changed the table to always loop across bits
> * only allocate parameters needed
>
>Still untested, for comment only...
>Should have tested version before 2.6.35 merge window closes.
Why mainline? I questioning the advantage for the big audience, it looks like
a academic only piece of software - correct me if I'm wrong.
The authors pointed to some weak points in the implementation of the current
loss/correlation logic. But this "fix", add another - complicated component -
and let the broken components untouched ...
HGN
--
Hagen Paul Pfeifer <hagen@jauu.net> || http://jauu.net/
Telephone: +49 174 5455209 || Key Id: 0x98350C22
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next prev parent reply other threads:[~2010-05-19 21:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4BD84428.30904@uniroma2.it>
2010-05-18 3:56 ` [RFC] netem: correlated loss generation (v3) Stephen Hemminger
2010-05-18 5:19 ` Eric Dumazet
2010-05-19 21:42 ` Hagen Paul Pfeifer [this message]
2010-05-19 22:52 ` Stefano Salsano
2010-05-19 23:04 ` Hagen Paul Pfeifer
2010-05-20 0:17 ` Stephen Hemminger
2010-05-20 0:43 ` Hagen Paul Pfeifer
2010-05-20 0:22 ` Stefano Salsano
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