[Nfd-dev] Making NFD transmit a NACK

[Junxiao Shi]

Hi Jeff

NFD can naturally reply with a Nack in two cases:
Sending an Interest with same Nonce twice triggers a Nack with reason=Duplicate in response to the second transmission.
Sending an Interest with a name that do not match any route triggers a Nack with reason=NoRoute, if the active strategy is best-route.

Also, Teng developed a producer program that responds every Interest with a Nack. This program is in #3263 note-8 attachment, and can be modified to test different cases.
A library implementation should be prepared to handle any Nack reason code (including undefined codes) and also a Nack without reason.

Yours, Junxiao

From: Thompson, Jeff
Sent: Wednesday, April 13, 2016 16:02
To: Junxiao Shi
Subject: Making NFD transmit a NACK

Hi Junxiao,

I’m adding support to the Common Client Libraries for NDNLPv2 network NACK. How can I test it? Can I make NFD send a NACK to the client?

Thanks,
- Jeff T

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