<div dir="ltr"><br><table cellpadding="0" style="border-collapse:collapse;margin-top:0px;width:auto;font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;display:block"><tbody style="display:block"><tr style="height:auto;display:flex"><td style="white-space:nowrap;padding:0px;vertical-align:top;width:634.957px;line-height:20px;display:block;max-height:20px"></td></tr></tbody></table>Hi liu hu,<div>It depends on the Consumer application you've used, for example ConsumerCBR will always give you Cache hit=0, since all interest packets are different. Try to change the consumer application to ConsumerZipfMandelbrot for example, and fix the <span style="color:rgb(0,0,0);text-align:justify"><font face="arial, sans-serif">Number of different content (sequence numbers) at a low value, so that the same interests will be requested many times. A such, the cache hit ratio is supposed to be positive.</font></span></div><div><span style="color:rgb(0,0,0);text-align:justify"><font face="arial, sans-serif">Hope that will help.</font></span></div><div><font face="arial, sans-serif"> </font></div><div id="m_7657518625800931590DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br> <table style="border-top:1px solid #d3d4de">
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<a href="#m_7657518625800931590_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"></a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le sam. 28 mars 2020 à 06:30, liu hu via ndnSIM <<a href="mailto:ndnsim@lists.cs.ucla.edu" target="_blank">ndnsim@lists.cs.ucla.edu</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Dear all,<div><br>When I use wifi model, I set a 3 * 3 topology(adjust the distance so that only neighboring nodes can communicate), but when using CsTracer  to count CacheHits, all nodes' cachehits are 0, but there are CacheMisses. Is this what is the reason? (The cache strategy used is the default Lru. Except for the mobility module and the number of nodes, the other modules are the same as ndnSIM / example / ndn-simple-wifi settings)  </div><div><br>Your help is really appreciated<br><br>Regards,<br>Hu</div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div>Bien cordialement.</div>Mr DJAMA Adel.<div>Ecole Nationale Superieure d'Informatique - Oued smar, Alger, Algérie.</div></div></div>
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