[ndnSIM] Code not working correctly when importing a real topology

[Klaus Schneider]

It would be much easier to help if you attach your simulation script and 
topology file.

Best regards,
Klaus


On 4/11/19 1:17 PM, Ioanna Kapetanidou wrote:
> Hi,
> 
> I’m currently working on creating a simple trust mechanism in ndnSIM. In 
> order to achieve this,I have created a consumer and a producer 
> application, based on provided codes of costum-app and hijacker 
> applications. I have used a tree topology in which I have installed the 
> consumer application on 10 leaves, the producer application on other 10 
> leaves and an extra application on root. The functionality of my 
> mechanism is the above:
> 
>  1. Consumers send interests for data packets
>  2. Producers reply with data packets
>  3. Consumers rate the received data packets
>  4. Root periodically sends interests to consumers serially requesting
>     average rating per producer
>  5. Consumers reply with data packets providing the average rating per
>     producer and number of ratings they used
>  6. Root based on data collected computes the reputation of each producer
>  7. Two extra consumers send interests periodically requesting the
>     reputation of a randomly selected producer
> 
> My code works as expected with the tree topology. Then I tried to import 
> GEANT topology and implement my mechanism there. I selected the nodes 
> with the 1 or 2 neighbors to install consumers and producers, as it is 
> on a tree topology. This time, although  FIB tables seem to be filled 
> correctly, when sending an interest it gets rejected and returns a nack 
> with “no route” reason.
> 
> Do you have any possible explanation for that, or a suggestion for what 
> I should check?
> 
> Thanks in advance,
> 
> Ioanna
> 
> 
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