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
next prev parent 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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