[Nfd-dev] Interests not forwarded

[Junxiao Shi]

Hi Navdeep

Instead of the logs, the complete CONFIGURATION files are needed for others
to reproduce the bug.

Yours, Junxiao
On Nov 11, 2015 02:21, "Navdeep Uniyal" <navdeep.uniyal at neclab.eu> wrote:

> Hi Junxiao,
>
>
>
> Thank you for the reply, I have attached NFD Logs(Best-Route, Broadcast)
> and NDN Traffic Generator logs for both the strategies.
>
> The nodes are connected via UDP faces. On analyzing the logs, I could see
> that after a certain point of time the interests are not forwarded. As
> visible from the NDN Traffic Server logs, till a certain point the
> interests are reaching the server and are being answered. As many interests
> are not reaching server, I doubt the forwarder is dropping most of them.
>
>
>
> I am not very sure if the issue is with forwarder or NDN Traffic generator
> as logs does not show what exactly is happening with the interests which
> are not being forwarded. But the number of interests reaching the server is
> generally constant which is quite surprising for me.
>
>
>
> Also, please suggest what minimum value should I keep for CS
> Store(Currently it is 1) so that most of the interests reaches server(For
> the sake of experiments).
>
>
>
>
>
> Best Regards,
>
> Navdeep Uniyal
>
>
>
> *From:* Junxiao Shi [mailto:shijunxiao at email.arizona.edu]
> *Sent:* Dienstag, 10. November 2015 19:07
> *To:* Navdeep Uniyal; nfd-dev at lists.cs.ucla.edu
> *Subject:* RE: [Nfd-dev] Interests not forwarded
>
>
>
> Hi Navdeep
>
>
>
> Can you attach the complete configuration files for NFD, traffic generator
> client, and traffic generator server, so others can attempt to reproduce
> the bug?
>
> Are you running client and server on the same node? If not, how are the
> two nodes connected (Ethernet, or UDP, or TCP)?
>
> How did you conclude the forwarder has stopped forwarding Interests after
> 800, instead of the producer has stopped responding Data, or the Data is
> being dropped? Did you reach this conclusion by ndndump or NFD logs?
>
>
>
> Also,
>
> 1. “broadcast” strategy is deprecated and will be removed in next release.
> Use “multicast” strategy instead. See
> http://www.lists.cs.ucla.edu/pipermail/nfd-dev/2015-August/001281.html
> announcement.
>
> 2. Disabling ContentStore is not a supported scenario. It will break
> management until #2182 is implemented.
>
>
>
> Yours, Junxiao
>
>
>
>
> *From: *Navdeep Uniyal
> *Sent: *Tuesday, November 10, 2015 06:41
> *To: *nfd-dev at lists.cs.ucla.edu
> *Subject: *[Nfd-dev] Interests not forwarded
>
>
>
>
>
> Hello everyone,
>
>
>
> I am facing some issue on interest forwarding using NDN Traffic Generator.
> The forwarder in the client is only forwarding only initial 800(approx.)
> interests. I tried using broadcast as well as best-route strategies. In
> both the cases, after forwarding 800 odd interests, the forwarder is not
> sending out other interests to any of the face. I have increased the
> capacity of the links in order to verify the cause to be congestion but
> there is no improvement.
>
>
>
> For my experiment, I am switching off CS Store( MAX_PACKETS = 1). The
> interest generation interval is 10 ms, NonceDuplicationPercentage = 0 and
> MustBeFresh Flag is set True. Even on varying the values and number of
> generated interests the forwarded interests number is observed to be the
> same. I could not find any error in the log. Please, any pointers could be
> helpful.
>
>
>
>
>
>
>
> Best Regards,
>
> Navdeep Uniyal
>
>
>
>
>
>
>
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