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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Junxiao,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Please if you can advise me on this. This issue is blocking our testing for a long time now and I am not able to rectify it.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Navdeep Uniyal<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Mini-NDN [mailto:mini-ndn-bounces@lists.cs.ucla.edu]
<b>On Behalf Of </b>Navdeep Uniyal<br>
<b>Sent:</b> Dienstag, 12. April 2016 12:29<br>
<b>To:</b> Ashlesh Gawande (agawande); mini-ndn@lists.cs.ucla.edu; nfd-dev@lists.cs.ucla.edu<br>
<b>Subject:</b> Re: [Mini-NDN] Interfaces went down in minindn<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Ashlesh,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thank you for your help. I changed the experiment as you suggested and tested it again.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I found interests moving from the host to the server but data not coming in.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Yes the occurrence of error is after quitting minindn as you said and only after quitting miniNDN, requested data is coming in and is
marked as unsolicited.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I could not find the issue why data generation suddenly stops as ndn dump and nfd logs could not provide proper clue.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I am attaching my configuration files, logs and dump files. Also, adding nfd-dev list to this mail if someone could help in this regard.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Steps to redo the experiment:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Install experiment nletest.py on minindn using “install.sh –i”<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Copy topology file nectopo.conf to /{path to minindn}/ndn_utils/topologies<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Copy traffic generator server and client files “ndn-traffic-client.conf” and “ndn-traffic-server.conf” to /{path to ndn traffic generator}/ndn-traffic-generator/build.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Run sudo minindn --experiment=icnle nectopo.conf<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">On Mininet CLI> ga ndn-traffic -c 1000 -i 100 /home/mininet/mini-ndn/ndn-traffic-generator/build/ndn-traffic-client.conf<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Navdeep Uniyal<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Ashlesh Gawande (agawande) [<a href="mailto:agawande@memphis.edu">mailto:agawande@memphis.edu</a>]
<br>
<b>Sent:</b> Montag, 11. April 2016 22:08<br>
<b>To:</b> Navdeep Uniyal; <a href="mailto:mini-ndn@lists.cs.ucla.edu">mini-ndn@lists.cs.ucla.edu</a><br>
<b>Subject:</b> Re: [Mini-NDN] Interfaces went down in minindn<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Some observations:<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">1) I think the "interface went down" error appears when you quit Mini-NDN and NFD is killed.<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">2) When I tried interval as 1ms (count: 1000) - no loss for the first 4 tries, on the 5th time I see the same problem.<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">3) I turned on ndndump and found that sa suddenly stops responding with data - not sure why. For some time, it seems, interest do reach sa without it responding.<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Can you modify your experiment as below and trace interest/data and see if you can find where it fails:<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> def setup(self):<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> for host in self.net.hosts:<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> for intf in host.intfNames():<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> ndnDumpOutputFile = "dump.%s_%s" % (intf, str(host.intf(intf).IP()))<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> host.cmd("sudo ndndump -f '.*nle.*' -i %s > %s &" % (intf, ndnDumpOutputFile))<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> if host.name == 'ca':<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Ashlesh
<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> Navdeep Uniyal
<</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:Navdeep.Uniyal@neclab.eu"><span lang="EN-US">Navdeep.Uniyal@neclab.eu</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">><br>
<b>Sent:</b> Monday, April 11, 2016 7:37:37 AM<br>
<b>To:</b> Ashlesh Gawande (agawande)<br>
<b>Subject:</b> RE: [Mini-NDN] Interfaces went down in minindn</span><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black">
<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Ashlesh,</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Please do let me know if there are some updates on the issue.</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards,</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Navdeep Uniyal</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"> Navdeep Uniyal
<br>
<b>Sent:</b> Freitag, 8. April 2016 09:48<br>
<b>To:</b> 'Ashlesh Gawande (agawande)'<br>
<b>Cc:</b> <a href="mailto:mini-ndn@lists.cs.ucla.edu">mini-ndn@lists.cs.ucla.edu</a><br>
<b>Subject:</b> RE: [Mini-NDN] Interfaces went down in minindn</span><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thank You Ashlesh,</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The results are similar for me.</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards,</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Navdeep Uniyal</span><span style="color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"> Ashlesh Gawande (agawande) [<a href="mailto:agawande@memphis.edu">mailto:agawande@memphis.edu</a>]
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<b>Sent:</b> Freitag, 8. April 2016 00:52<br>
<b>To:</b> Navdeep Uniyal<br>
<b>Cc:</b> <a href="mailto:mini-ndn@lists.cs.ucla.edu">mini-ndn@lists.cs.ucla.edu</a><br>
<b>Subject:</b> Re: [Mini-NDN] Interfaces went down in minindn</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Okay I looked at your experiment and modified my ndn-traffic-client/server appropriately.<o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Initially all the interest are answered correctly.
</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Then you start to see some timeouts.</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Then all interests time out.</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">My total interest loss was ~25%.</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">I am looking into it further.</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Ashlesh</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> Mini-NDN <</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:mini-ndn-bounces@lists.cs.ucla.edu"><span lang="EN-US">mini-ndn-bounces@lists.cs.ucla.edu</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">>
on behalf of Ashlesh Gawande (agawande) <</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:agawande@memphis.edu"><span lang="EN-US">agawande@memphis.edu</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">><br>
<b>Sent:</b> Thursday, April 7, 2016 5:12 PM<br>
<b>To:</b> Navdeep Uniyal<br>
<b>Cc:</b> </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:mini-ndn@lists.cs.ucla.edu"><span lang="EN-US">mini-ndn@lists.cs.ucla.edu</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><br>
<b>Subject:</b> Re: [Mini-NDN] Interfaces went down in minindn</span><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black">
</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Is this ndn-traffic-client.conf the default one?<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><br>
Ashlesh</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> Navdeep Uniyal <</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:Navdeep.Uniyal@neclab.eu"><span lang="EN-US">Navdeep.Uniyal@neclab.eu</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">><br>
<b>Sent:</b> Thursday, April 7, 2016 2:58 AM<br>
<b>To:</b> Ashlesh Gawande (agawande)<br>
<b>Cc:</b> </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:mini-ndn@lists.cs.ucla.edu"><span lang="EN-US">mini-ndn@lists.cs.ucla.edu</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">;
Lan Wang (lanwang)<br>
<b>Subject:</b> RE: [Mini-NDN] Interfaces went down in minindn</span><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black">
</span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Ashlesh,</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">PFA the attached files I used for experiments.</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">“nectopo.conf” is the topology file
</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">“nletest.py” is the experiment file</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">sudo minindn --experiment=icnle nectopo.conf</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">On Mininet CLI > ga ndn-traffic -c 1000 -i 10 /home/mininet/mini-ndn/ndn-traffic-generator/build/ndn-traffic-client.conf</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards,</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Navdeep Uniyal</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"> Lan Wang (lanwang) [</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><a href="mailto:lanwang@memphis.edu"><span lang="DE">mailto:lanwang@memphis.edu</span></a></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">]
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<b>Sent:</b> Donnerstag, 7. </span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">April 2016 01:22<br>
<b>To:</b> Navdeep Uniyal<br>
<b>Cc:</b> Ashlesh Gawande (agawande); <a href="mailto:mini-ndn@lists.cs.ucla.edu">
mini-ndn@lists.cs.ucla.edu</a><br>
<b>Subject:</b> Re: [Mini-NDN] Interfaces went down in minindn</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Ashlesh,
<o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Maybe Navdeep can give you his setup files and you repeat his experiment?<o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black"><br>
Lan</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">On Apr 6, 2016, at 10:32 AM, Navdeep Uniyal <<a href="mailto:navdeep.uniyal@neclab.eu">navdeep.uniyal@neclab.eu</a>> wrote:<o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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<p style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Ashlesh,</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thank you for the reply. The interest sending rate is 100/sec although I checked it with 10/sec. In both the cases I found similar results.
Interesting is the data generation and arrival time. The data transfer behaves perfectly fine for initial few interests while after a certain time it just stops and the requested data then is arrives just after the interfaces goes down(I guess mostly when
I am stopping the Mininet topology) and are marked as unsolicited data.</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I could not get this behavior if it is because of link issues, NFD issue or NDN Traffic generator issue. I tried asking the solution on
the other nfd-dev mailing list but could not get any response.</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards,</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Navdeep Uniyal</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"> Ashlesh Gawande (agawande) [<a href="mailto:agawande@memphis.edu">mailto:agawande@memphis.edu</a>] <br>
<b>Sent:</b> Mittwoch, 6. April 2016 16:40<br>
<b>To:</b> Navdeep Uniyal; <a href="mailto:mini-ndn@lists.cs.ucla.edu">mini-ndn@lists.cs.ucla.edu</a><br>
<b>Subject:</b> Re: Interfaces went down in minindn</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">What is the rate of sending interests?<o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Can you try lowering it and see if interest drops are decreased?<br>
<br>
Ashlesh<o:p></o:p></span></p>
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<p style="background:white"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> Mini-NDN <<a href="mailto:mini-ndn-bounces@lists.cs.ucla.edu"><span style="color:purple">mini-ndn-bounces@lists.cs.ucla.edu</span></a>>
on behalf of Navdeep Uniyal <<a href="mailto:Navdeep.Uniyal@neclab.eu"><span style="color:purple">Navdeep.Uniyal@neclab.eu</span></a>><br>
<b>Sent:</b> Wednesday, April 6, 2016 3:52 AM<br>
<b>To:</b> <a href="mailto:mini-ndn@lists.cs.ucla.edu"><span style="color:purple">mini-ndn@lists.cs.ucla.edu</span></a><br>
<b>Subject:</b> [Mini-NDN] Interfaces went down in minindn</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Hi everyone,</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">I have been running some experiments using minindn using NDN traffic generator for interest and data generation. I am facing a few issues
as I am unable to get the data packets in response after a certain period of time. In my configuration I am making cs store size to be zero so that all interests can reach the producer. While investigating the issue of interest drops I found few errors in
the nfd logs. Below are the few errors which I am getting in the log file:</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">1459932297.745268 ERROR: [EthernetTransport] [id=264,local=</span><u><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue">dev://sa-eth0,remote=ether://[01:00:5e:00:17:aa]]</span></u><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">
pcap_next_ex failed: The interface went down</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">1459932297.761311 ERROR: [EthernetTransport] [id=263,local=</span><u><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue">dev://sa-eth1,remote=ether://[01:00:5e:00:17:aa]]</span></u><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">
pcap_next_ex failed: The interface went down</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">1459932297.777269 ERROR: [EthernetTransport] [id=262,local=</span><u><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue">dev://sa-eth2,remote=ether://[01:00:5e:00:17:aa]]</span></u><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">
pcap_next_ex failed: The interface went down</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Due to this, the interests are not getting satisfied. Attached are the nfd logs of the producer(similar errors are being observed on the other
nodes as well). Please if someone can help me resolving the issue.</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Best Regards,</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Navdeep Uniyal</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
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