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<p>Everything works fine now, thanks a lot!<br>
<br>
Sergio</p>
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<div>Hey, </div>
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<div>I have pushed a solution for this, It's here: <a href="https://gerrit.named-data.net/c/mini-ndn/+/6457" id="LPlnk779251">https://gerrit.named-data.net/c/mini-ndn/+/6457</a></div>
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<div>You can try and let me know if it works for you. </div>
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<div>Thank you,</div>
<div>Saurab Dulal</div>
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<div dir="ltr" id="divRplyFwdMsg"><font color="#000000" face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b> Αστεριος Παρλιτσης <asteparl@ee.duth.gr><br>
<b>Sent:</b> Saturday, June 12, 2021 4:35 AM<br>
<b>To:</b> Saurab Dulal (sdulal) <sdulal@memphis.edu><br>
<b>Cc:</b> Junxiao Shi via Mini-NDN <mini-ndn@lists.cs.ucla.edu><br>
<b>Subject:</b> Re: Topology angles and radius & Interest-Data Packets' metrics</font>
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<p>Hi Saurab, <br>
<br>
I now get this error:<br>
"FATAL: Duplicate Coordinate, '_' used by multiple nodes"<br>
<br>
Sergio</p>
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<div style='font-family:"segoe ui westeuropean","segoe ui",helvetica,arial,sans-serif; font-size:12pt; color:rgb(0,0,0)'>Hi Sergio, </div>
<div style='font-family:"segoe ui westeuropean","segoe ui",helvetica,arial,sans-serif; font-size:12pt; color:rgb(0,0,0)'> </div>
<div style='font-family:"segoe ui westeuropean","segoe ui",helvetica,arial,sans-serif; font-size:12pt; color:rgb(0,0,0)'>Thanks for letting us know. Seems like there is a bug is the parshing script. We will fix it as soon as possible.</div>
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<div style='font-family:"segoe ui westeuropean","segoe ui",helvetica,arial,sans-serif; font-size:12pt; color:rgb(0,0,0)'>Meanwhile, can you try following and let me know if it works ?</div>
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<span style="box-sizing:border-box; margin:0px">[</span><span style="box-sizing:border-box; margin:0px">nodes</span><span style="box-sizing:border-box; margin:0px">]</span>
<span style="box-sizing:border-box; margin:0px">a</span><span style="box-sizing:border-box; margin:0px">: _</span>
<span style="box-sizing:border-box; margin:0px">b</span><span style="box-sizing:border-box; margin:0px">: _</span>
<span style="box-sizing:border-box; margin:0px">[</span><span style="box-sizing:border-box; margin:0px">links</span><span style="box-sizing:border-box; margin:0px">]</span>
<span style="box-sizing:border-box; margin:0px">a</span><span style="box-sizing:border-box; margin:0px">:</span><span style="box-sizing:border-box; margin:0px">b</span> <span style="box-sizing:border-box; margin:0px">delay</span><span style="box-sizing:border-box; margin:0px; color:rgb(102,102,102)">=</span><span style="box-sizing:border-box; margin:0px; color:rgb(102,102,102)">10</span><span style="box-sizing:border-box; margin:0px">ms</span>
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<div>Best,</div>
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<p style="margin-top:0px; margin-bottom:0px"><span style="color:rgb(0,0,0); font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt">Saurab</span></p>
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<div dir="ltr" id="x_divRplyFwdMsg"><font color="#000000" face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b> Αστεριος Παρλιτσης <asteparl@ee.duth.gr><br>
<b>Sent:</b> Friday, June 11, 2021 9:28 AM<br>
<b>To:</b> Saurab Dulal (sdulal) <sdulal@memphis.edu><br>
<b>Cc:</b> Junxiao Shi via Mini-NDN <mini-ndn@lists.cs.ucla.edu><br>
<b>Subject:</b> Re: Topology angles and radius & Interest-Data Packets' metrics</font>
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<p>Hello again and thanks a lot for the fast answer,<br>
<br>
1) After running the given topology configuration with the mnndn.py and any other experiment I get the error below:<br>
<img alt="" aria-label="One" data-outlook-trace="F:2|T:2" src="cid:Oeycmnq6UgL01TRt3Wd_mfO@ermis.duth.gr" style="width:1609px; height:auto; max-width:100%"><br>
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2) The local cache was not the issue and I eventually solved the problem by following the way metrics are being gathered in ndnping at the ndn-tools libraries but thanks again anyway.<br>
<br>
Sergio<br>
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<div dir="ltr" id="x_x_divRplyFwdMsg"><font color="#000000" face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b> Mini-NDN <mini-ndn-bounces@lists.cs.ucla.edu> on behalf of Lan Wang (lanwang) <lanwang@memphis.edu><br>
<b>Sent:</b> Thursday, June 10, 2021 9:38 AM<br>
<b>To:</b> Junxiao Shi via Mini-NDN <mini-ndn@lists.cs.ucla.edu><br>
<b>Subject:</b> [Mini-NDN] Topology angles and radius & Interest-Data Packets' metrics</font>
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<div style="word-wrap:break-word; line-break:after-white-space"><span style="color:rgb(127,127,127)"><b>From:</b></span> <span style="">Αστεριος Παρλιτσης <<a href="mailto:asteparl@ee.duth.gr">asteparl@ee.duth.gr</a>></span><br>
<div style="margin-top:0px; margin-right:0px; margin-bottom:0px; margin-left:0px"><span style="color:rgba(127,127,127,1.0)"><b>Subject:</b></span> <span style=""><b>Topology angles and radius & Interest-Data Packets' metrics</b></span></div>
<div style="margin-top:0px; margin-right:0px; margin-bottom:0px; margin-left:0px"><span style="color:rgba(127,127,127,1.0)"><b>Date:</b></span> <span style="">June 10, 2021 at 6:39:43 AM CDT</span></div>
<div style="margin-top:0px; margin-right:0px; margin-bottom:0px; margin-left:0px"><span style="color:rgba(127,127,127,1.0)"><b>To:</b></span> <span style=""><a href="mailto:mini-ndn@lists.cs.ucla.edu">mini-ndn@lists.cs.ucla.edu</a></span></div>
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<p>Hello, I am new to Mini-NDN and I have two issues with my experiments:<br>
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1) I want to run some instances of simple topologies with 20+ nodes but don't really get the hyperbolic coordinates' function and how to produce them for my own topologies. Is it possible or usefull in my case to disable the radius and angle parameters since I don't use hyperbolic routing strategies?</p>
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<p><span style="font-family:Cambria,Georgia,serif">- You really don't have to use hyperbolic topology unless you are doing experiments with hyperbolic routing. And yes, you can remove radius and angles from the current example</span> <a href="https://github.com/named-data/mini-ndn/tree/master/topologies" title="https://github.com/named-data/mini-ndn/tree/master/topologies"><span style="font-family:Cambria,Georgia,serif">topologies</span></a><span style="font-family:Cambria,Georgia,serif">. Your topology can have the following structure without hyperbolic coordinates.</span><br>
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<span class="x_x_p" style="box-sizing:border-box">[</span><span class="x_x_n" style="box-sizing:border-box">nodes</span><span class="x_x_p" style="box-sizing:border-box">]</span>
<span class="x_x_n" style="box-sizing:border-box">a</span><span class="x_x_p" style="box-sizing:border-box">:</span>
<span class="x_x_n" style="box-sizing:border-box">b</span><span class="x_x_p" style="box-sizing:border-box">:</span>
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<span class="x_x_n" style="box-sizing:border-box">a</span><span class="x_x_p" style="box-sizing:border-box">:</span><span class="x_x_n" style="box-sizing:border-box">b</span> <span class="x_x_n" style="box-sizing:border-box">delay</span><span class="x_x_o" style="box-sizing:border-box; color:rgb(102,102,102)">=</span><span class="x_x_mi" style="box-sizing:border-box; color:rgb(102,102,102)">10</span><span class="x_x_n" style="box-sizing:border-box">ms</span>
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<p>2) I have assigned to some nodes the roles of consumers and producers by running the examples provided by the ndn-cxx libraries on each one of them. What I need is a way to measure the delay of the Data Packet from the moment a node requests a packet by sending an Interest. I have already tried placing timers in the consumer.cpp but somehow the output is smaller than the link's delay so I got that wrong.</p>
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<p><span style="font-family:cambria,georgia,serif; font-size:10.5pt; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">- If packet retrieval time is smaller than the link delay, it is highly likely that the packet might have been serverd from the local nfd's cache</span><span style="font-family:cambria,georgia,serif; font-size:10.5pt; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">. </span><span style="color:rgb(50,49,48); font-family:cambria,georgia,serif; font-size:10.5pt; background-color:rgba(0,0,0,0)">Please enable the nfd-logs, look at the consumer's log specifically, and see if local nfd is sending back the cached dat</span><span style="font-size:10.5pt; font-family:cambria,georgia,serif; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">a or not. </span></p>
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<p><span style="font-size:10.5pt; font-family:arial; color:rgb(50,49,48); background-color:rgba(0,0,0,0)"><span style="margin:0px; font-size:10.5pt; font-family:cambria,georgia,serif; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">To set debug nfd log from the experiment: "</span><span style="margin:0px; font-size:10.5pt; font-family:cambria,georgia,serif; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">AppManager(self.ndn, self.ndn.net.hosts, Nfd,</span><span style="margin:0px; font-size:12pt; font-family:Calibri,Arial,Helvetica,sans-serif; color:black; background-color:rgb(255,255,255)"><span style="font-family:cambria,georgia,serif; font-size:10.5pt; color:rgb(50,49,48); background-color:rgba(0,0,0,0)"> </span></span></span><span style="font-size:10.5pt; font-family:cambria,georgia,serif; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">logLevel='DEBUG</span><span style="font-size:10.5pt; font-family:arial; color:rgb(50,49,48); background-color:rgba(0,0,0,0)"><span style="margin:0px; font-size:10.5pt; font-family:cambria,georgia,serif; color:rgb(50,49,48); background-color:rgba(0,0,0,0)">')" </span></span></p>
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<br>
Thanks a lot, <br>
Sergio
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