[ndnSIM] ndnSIM - Producer problem

[Junxiao Shi]

Hi Spyros & Marzieh

the consumer application does have a simplified retransmission mechanism
> based on timeouts:
>
> https://github.com/named-data-ndnSIM/ndnSIM/blob/73df9f587e1
> c16c4f67a0053fe29b68f523ff138/apps/ndn-consumer.cpp#L265
>
> Unfortunately, it is not clear to me why Junxiao mentioned that "This
> point is not correctly implemented in the consumer”. If he has found a bug
> there, he is welcome to push a patch on gerrit for us to review.
>
>
Retransmitting after InterestLifetime expires is already too late. At this
point, strategy may have deleted the measurements information. Consumer
retransmission should occur at estimated RTO, not InterestLifetime.
I did not read code. Based on the NFD logs given in
http://www.lists.cs.ucla.edu/pipermail/ndnsim/2017-August/004071.html ,
it's evident that consumer retransmission did not occur.

As I already mentioned, consumer retransmission is less likely to be
effective in this scenario than enabling link reliability, which will be
available in next ndnSIM release.


> Is there anything I could do in this stage to make it work? or should I
> just wait for the next release?
>
> And, may I ask when is the new release of ndnSIM going to be out?
>

I am not an ndnSIM developer nor do I control their release schedule. I'm
on this mailing list to answer questions related to NFD.
Based on past experience, a new NFD feature would show up in ndnSIM in
anywhere between 6 to 18 months. Be patient.

Yours, Junxiao
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