[ndnSIM] ndnSIM Digest, Vol 76, Issue 21

Carlos Borrego cborrego at deic.uab.es
Thu Mar 28 05:39:05 PDT 2019


Thanks so much, Ertugrul. I will consider this.

On Thu, Mar 28, 2019 at 1:13 PM Ertugrul DOGRULUK via ndnSIM <
ndnsim at lists.cs.ucla.edu> wrote:

> Dear Carlos,
> I do think your consumer apps set as a producer. Since there is nobody to
> consume that data packet, it turned out a NACK. This is my guess.
>
>
> Kindly Regards
> Ertugrul Dogruluk
> PhD Candidate
> Centro Algoritmi/ University of Minho-PORTUGAL
> http://algoritmi.uminho.pt/
>
>
>
>
> Today's Topics:
>
>   1. nack duplicate problem (Carlos Borrego)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 24 Mar 2019 11:59:43 +0100
> From: Carlos Borrego <cborrego at deic.uab.es>
> To: ndnsim at lists.cs.ucla.edu
> Subject: [ndnSIM] nack duplicate problem
> Message-ID:
> <CAEF0aKgUfHu-RDe-se0-3a72OJkbZh4KFjQmDEpH9WQ-u0uA8A at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello,
>
> I am trying to simulate a scenario using ndn. I have just one consumer
> (node 0) and one producer (node 2). The consumer sends an interest message
> to the network and apparently the interest message arrives at the producer
> (node(2) responding with Data...). My question is why whenever this Data
> message is received by the consumer I get the log:
>
>
> *+0.000729504s 0 ndn.Consumer:OnNack(): [INFO ] NACK received for:
> /prefix/%FE%00, reason: Duplicate*
>
> Here is the complete log, as you can see, there is no other activity before
> in the network:
>
> +0.000000000s 0 ndn.Consumer:Consumer()
> +0.000000000s 2 ndn.Producer:Producer()
> +0.000000000s 0 ndn.Consumer:StartApplication()
> +0.000000000s 0 ndn.Consumer:SendPacket()
> +0.000000000s 0 ndn.Consumer:SendPacket(): [INFO ] > Interest for 0
> +0.000000000s 0 ndn.Consumer:WillSendOutInterest(): [DEBUG] Trying to add 0
> with +0.0ns. already 0 items
> +0.000000000s 2 ndn.Producer:StartApplication()
> +0.000342929s 2 ndn.Producer:OnInterest(0x2556620, 0x255f3a0)
> +0.000342929s 2 ndn.Producer:OnInterest(): [INFO ] node(2) responding with
> Data: /prefix/%FE%00
> +0.000729504s 0 ndn.Consumer:OnNack(): [INFO ] NACK received for:
> /prefix/%FE%00, reason: Duplicate
>
> Shouldn't it be something like:
>
> +0.000729504s 0 ndn.Consumer:OnData(): [INFO ] < DATA for 0
>
> Thanks so much for helping me with this issue.
> Cheers
> Carlos
> --
>
> --------------------------------------------------------------------------------------------------------
>
> *Carlos Borrego Iglesias *
> dEIC - Departament d'Enginyeria de la Informaci? i de les Comunicacions
> Universitat Aut?noma de Barcelona
> mailto:cborrego at deic.uab.es <cborrego at deic.uab.es>
> http://deic.uab.cat/~cborrego/
> http://www.researchgate.net/profile/Carlos_Borrego_Iglesias
> tel: +34 93 5814835
>
> ---------------------------------------------------------------------------------------------------------
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> End of ndnSIM Digest, Vol 76, Issue 21
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-- 
--------------------------------------------------------------------------------------------------------

*Carlos Borrego Iglesias *
dEIC - Departament d'Enginyeria de la Informació i de les Comunicacions
Universitat Autònoma de Barcelona
mailto:cborrego at deic.uab.es
http://deic.uab.cat/~cborrego/
http://www.researchgate.net/profile/Carlos_Borrego_Iglesias
tel: +34 93 5814835
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Avís - Aviso - Legal Notice - (LOPD) - http://legal.ifae.es

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