[ndnSIM] Help for ConsumerWindow

[Alex Afanasyev]

Hi Tun,

For the ConsumerWindow you have to specify how much data the consumer wants to request.  By default, this value is 0, so it doesn't do anything at all...

You have two options to specify size:
Option 1:  Specify the number of pieces that consumer wants to request

      ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerWindow");
      consumerHelper.SetAttribute ("Window", StringValue ("1")); // Window size default 1
      consumerHelper.SetAttribute ("MaxSeq", UintegerValue (100));

Options 2:  Specify expected payload size (as you did) and specify size of the requested "file" in megabytes:

      ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerWindow");
      consumerHelper.SetAttribute ("Window", StringValue ("1")); // Window size default 1
      consumerHelper.SetAttribute ("PayloadSize", UintegerValue (1040)); // PayloadSize default 1040
      consumerHelper.SetAttribute ("Size", DoubleValue (1));

---
Alex

On Jul 2, 2013, at 11:51 PM, Tun Tun Oo <htunhtunu at gmail.com> wrote:

> Dear All,
> 
> Now I am just start to study about how ndn Interest congestion control work.
> Using the ndnsim.net's "ndn-tree-tracers.cc" and topo-tree.txt, I tested as follows.
> 1. Reduce the link speed of leaf-1 and leaf-3 to 1 Mbps
> 2. Change the apphelper as 
>       ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerWindow");
>       consumerHelper.SetAttribute ("Window", StringValue ("1")); // Window size default 1
>       consumerHelper.SetAttribute ("PayloadSize", UintegerValue (1040)); // PayloadSize default 1040
> 3. Run with ./waf run=ndn-tree-tracers, it has no error but I didn't found any data output in rate-trace.txt
> 
> My expected result is data rate in the graph should be changed for leaf-1 and leaf-3 according to the link speed.
> Pls guide me, what I am missing or misunderstanding.I am using the lastest version of ndnSIM.
> Thanks in advance.
> 
> Best regards
> 
> Tun Tun Oo
> 
> 
> _______________________________________________
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> ndnSIM at lists.cs.ucla.edu
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