[ndnSIM] NACKs in ndnSIM2.0?

Spyridon (Spyros) Mastorakis spiros.mastorakis at gmail.com
Fri Feb 6 09:09:49 PST 2015


in ndnSIM 2.0, we use the NDN Forwarding Daemon (NFD). NFD does not currently support NACKs as data packets. However, it is a feature planned to be added in the future.

As soon as this feature is added in NFD, it is going to be supported by ndnSIM as well.

Spyridon (Spyros) Mastorakis
Personal Website: http://cs.ucla.edu/~mastorakis/
Internet Research Laboratory
PhD Computer Science

> On Feb 6, 2015, at 1:07 AM, Daniel Posch <poschdaniel2 at gmail.com> wrote:
> Hello,
> I am trying to port a forwarding strategy, which I have implemented in ndnSIM1.0 to ndnSIM2.0. I have looked through the documents and API specification, however, I don't understand if and how the concept of "NACKs" is supported in ndnSIM2.0. Can someone give me a hint how to implement the following in ndnSIM2.0:
> Assume a forwarding strategy decides to proactively discard an Interest message. What would be the best way to propagate this information to the requesting neighboring? In ndnSIM1.0 I have used the build-in NACK-response from the NACK-Strategy, which responds with a NACK-message once all faces have been set to "waiting in vain".
> Best regards,
> Daniel
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