CoDel AQM discussions
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From: Dave Taht <dave.taht@gmail.com>
To: Mark Sammut <mas30@eecs.qmul.ac.uk>
Cc: codel@lists.bufferbloat.net
Subject: Re: [Codel] ns-3.15 simulations using CoDel
Date: Sun, 30 Sep 2012 14:57:35 -0700	[thread overview]
Message-ID: <CAA93jw7YSjhTy6tX4eT_M_Brw3knR4+OweH_TkO+qV7PEO=8qQ@mail.gmail.com> (raw)
In-Reply-To: <506871FD.5070000@eecs.qmul.ac.uk>

The ns3 patches for codel and fq_codel long ago migrated to github.

https://github.com/dtaht/ns-3-dev

Is that what you are using?

Secondly codel is mostly targetted at TCP.

On Sun, Sep 30, 2012 at 9:23 AM, Mark Sammut <mas30@eecs.qmul.ac.uk> wrote:
> Hi all,
>
> I am trying to run CoDel simulations using ns-3.15 and Andrew McGregor's
> CoDel patch available at http://www.bufferbloat.net/projects/codel/wiki.
>
> For some reason, I am getting all delay and queue length results using CoDel
> equal to the results using DropTail. Can anyone indicate reasons for such
> performance? I am generating UDP packets using On-Off applications set as a
> Poisson Traffic generator on 10 nodes aggregated on a common node set as the
> bottleneck node. Below is the part of the code which implements CoDel.
>
>   Config::SetDefault ("ns3::CoDelQueue::Mode", StringValue ("Packets"));
>   Config::SetDefault ("ns3::CoDelQueue::MaxPackets", UintegerValue (10000));
>   Config::SetDefault ("ns3::CoDelQueue::Interval", StringValue ("0.8ms"));
>   Config::SetDefault ("ns3::CoDelQueue::Target", StringValue ("0.2ms"));
>   Config::SetDefault ("ns3::CoDelQueue::MinBytes", UintegerValue(1500));
>
>   CsmaHelper csma;
>   csma.SetChannelAttribute ("DataRate", StringValue(LinkRate));
>   csma.SetChannelAttribute ("Delay", TimeValue (Seconds (0)));
>   csma.SetQueue ("ns3::CoDelQueue");
>
> Thanks a lot for your help and best regards,
> Mark
> _______________________________________________
> Codel mailing list
> Codel@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/codel



-- 
Dave Täht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html

  reply	other threads:[~2012-09-30 21:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-30 16:23 Mark Sammut
2012-09-30 21:57 ` Dave Taht [this message]
2013-02-23  6:11 Yishuang Pang

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