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
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