[ndnSIM] behavior of consumer and provider

[yao hu]

Hi Alex,

I have two uncertain issues about the behavior of consumer and provider for
confirmation.

(1) Is there any record like PIT for consumer or requester to memorize past
Interest transmission? Possibly for its future retransmission.

(2) Say in a tree topology. If the root as the provider has satisfied the
incoming Interest to send back its according Data. Is it possible to again
forward the Interest to other branches (except the branch for the incoming
Interest)? I am asking this because in my forwarding strategy, I saw some
traffic in other branches, however I just modified DoPropagateInterest, no
other basic ndn functions.

Your reply will be really appreciated.

Regards,
huyao
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