netdev - Re: [PATCH net-next 1/2] netem: rate-latency extension

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Message-ID: <20111124210926.3e4b7567@s6510.linuxnetplumber.net>
Date:	Thu, 24 Nov 2011 21:09:26 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Hagen Paul Pfeifer <hagen@...u.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] netem: rate-latency extension

On Thu, 24 Nov 2011 23:14:58 +0100
Eric Dumazet <eric.dumazet@...il.com> wrote:

> I like this patch, this is a useful extension.
> 
> Only point is why you chose ratelatency instead of rate ?
> 
> We want to emulate a real link, and yes, a 1000 bytes packet must be
> delayed _before_ we deliver it to the device, but its a detail of how
> works netem.
> 
> The usual word we use to describe a 1Mbps link is "1Mbps rate" ;

I would rather a new qdisc then add more features to the already complex
netem.  Initially, there where was a rate control built into netem, but
the consensus was to use stacking to do it.
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