[Ndn-interest] Questions about NACK packets

Ahmed BENMOUSSA ah.benmoussa at lagh-univ.dz
Fri Jul 5 17:49:07 PDT 2019


Dear all;

Please, correct me if I am wrong. There are two types of NACK packets:
1. Application-level NACK packets that are encoded in a Data packet as
described in the NDN Data packet specs:
https://named-data.net/doc/NDN-packet-spec/current/data.html#contenttype

2. And there are Network-level NACK packets that are encoded in an Interest
packet.
https://redmine.named-data.net/projects/nfd/wiki/NDNLPv2#Network-NACK

I know that the Network-level NACK packets are essentially used for
monitoring link problems, but can I use them in the application layer?
I want the producers to use these Interest NACK packets to send specific
messages. Is it feasible?

It would be great if you could give me the best practices on using these
two types of NACK packets.

Thank you in advance.

Best regards,
Ahmed.
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