[ndnSIM] Code not working correctly when importing a real topology
Klaus Schneider
klaus at cs.arizona.edu
Thu Apr 11 15:46:40 PDT 2019
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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