[ndnSIM] [Nfd-dev] How to send periodic HELLO Interest with NFD/ndnSIM?

[Lan Wang (lanwang)]

NLSR sends periodic Hello messages.  You can check the code.

Lan

On Mar 4, 2020, at 12:57 PM, Md Ashiqur Rahman <marahman at email.arizona.edu<mailto:marahman at email.arizona.edu>> wrote:

Hello All,

I’m trying to implement a periodic “HELLO” packet exchange in ndnSIM so that the NFD in each node can remember/detect recent neighbors. Any pointers or suggestions would be helpful. So far I could find this: https://www.lists.cs.ucla.edu/pipermail/ndnsim/2015-January/001513.html.

To be more specific, I was thinking that any node’s NFD would have a default Interest packet with /hello prefix and would periodically send this interest, say each 1 second. This Interest would have an endpoint tag (I can do this with ndn-cxx to create a new tag, so the wire encoding/decoding is taken care of internally), so any node receiving a hello broadcast can get the endpointID of the sender node. This means, the NFD itself would create and send the HELLO Interest packet.

Best-
Ashiq

--
Md Ashiqur Rahman
Research Associate, Network Research Lab
Dept. of Computer Science
The University of Arizona
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