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NLSR sends periodic Hello messages. You can check the code.<br class="">
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<span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; display: inline !important; float: none;" class="">Lan</span>
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<div class="">On Mar 4, 2020, at 12:57 PM, Md Ashiqur Rahman <<a href="mailto:marahman@email.arizona.edu" class="">marahman@email.arizona.edu</a>> wrote:</div>
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<div class="gmail_default" style="font-size:small">Hello All,</div>
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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:
<a href="https://www.lists.cs.ucla.edu/pipermail/ndnsim/2015-January/001513.html" target="_blank" class="">
https://www.lists.cs.ucla.edu/pipermail/ndnsim/2015-January/001513.html</a>.<br class="">
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<div class="">To be more specific, I was thinking that any node’s NFD would have a default Interest packet with
<font face="monospace" class="">/hello</font> 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 <font face="monospace" class="">
endpointID</font> of the sender node.<span class="gmail_default" style="font-size:small"> This means, the NFD itself would create and send the HELLO Interest packet.</span>
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<div class="gmail_default" style="font-size:small">Best-</div>
<div class="gmail_default" style="font-size:small">Ashiq</div>
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<div dir="ltr" class="">Md Ashiqur Rahman
<div class="">Research Associate, Network Research Lab<br class="">
<div class="">Dept. of Computer Science</div>
<div class="">The University of Arizona</div>
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