[Ndn-interest] Routing and forwarding in NDN

[Tanusree Chatterjee]

Hello all,

Please tell me, if an interest is not served by any data, the interest is
discarded, next the interest is flooded in the entire network to find the
corresponding data? Up to what time it should wait before flooding?

Again, if an interest can be served by 3 nodes, say node1, node4 and node6.
Now, after searching the FIB, the interest is forwarded to node1. But,due
to some problems, data has not arrived back. What is done next?
Retransmission of the same interest, flooding of the interest or forwarding
the interest to node4?
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