[ndnSIM] Random Producer/consumer
Daniel Posch
poschdaniel2 at gmail.com
Thu Oct 8 04:27:11 PDT 2015
Hello,
from my point of view this is a very bad idea.
In a simulation you should only use ns-3 based random variables.
See: https://www.nsnam.org/docs/manual/html/random-variables.html
This guarantees 100% reproducibility.
Greetings,
Daniel
On 10/08/2015 01:20 PM, Andrey Silva wrote:
> Hello,
>
> You have to seed it.
>
> Put this code at the beginning of you code.
>
> srand( time(NULL) );
> |
> |
> |Best regards!
> |
> |
>
> |
>
> 2015-10-08 7:34 GMT-03:00 Dhiab Imen <dhiabimen at gmail.com
> <mailto:dhiabimen at gmail.com>>:
>
> Hi ,
>
> there is any one who can tell me how can I change my producer node
> randomly at every simulation.
>
> I try to use rand():
> NodeContainer c;// NodeContainer
> c.Create (4);
> int a=1+rand()%3 // to generate an integer between 1 and 4
>
> producerHelper.Install (c.Get (a));
>
> but when I want to display the value of a
>
> std::cout << "a = " << a <<"\n";
>
> I have the same value even when I re-simulate my code.
>
> thnx a lot.
>
> --
> Cordialement
> Imen Dhiab
>
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>
> --
> Andrey Silva
>
> Engenheiro da Computação - Universidade Federal do Pará
> Mestrando em Engenharia Elétrica - Laboratório de Processamento de
> Sinais - Universidade Federal do Pará .
> -
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