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--></style></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p>Hi Navdeep</p><p><o:p> </o:p></p><p>You may ask mini-ndn questions on <a href="http://www.lists.cs.ucla.edu/mailman/listinfo/mini-ndn">mini-ndn mailing list</a>.</p><p><o:p> </o:p></p><p>>From NFD point of view:</p><p>You cannot create more than one point-to-point UDP tunnels between two NFDs each with a single IP address, because the five-tuple <proto, srcIP, srcPort, dstIP, dstPort> would be the same <UDP, h2, 6363, g1, 6363>, so UDP/IP stack won’t be able to distinguish between them.</p><p><o:p> </o:p></p><p>Yours, Junxiao</p><p><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p style='border:none;padding:0in'><br><b>From: </b>Navdeep Uniyal<br><b>Sent: </b>Wednesday, August 12, 2015 01:52<br><b>To: </b>nfd-dev@lists.cs.ucla.edu<br><b>Subject: </b>[Nfd-dev] Doubts regarding face creation</p></div><p class=MsoNormal><span style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal>Hello All,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am working on minindn. While creating the topology I am using the following configuration file:</p><p class=MsoNormal>[nodes]</p><p class=MsoNormal>h1: _</p><p class=MsoNormal>h2: _</p><p class=MsoNormal>h3: _</p><p class=MsoNormal>h4: _</p><p class=MsoNormal>g1: _</p><p class=MsoNormal>[links]</p><p class=MsoNormal>h1:g1 delay=10ms bw=10</p><p class=MsoNormal>h2:g1 delay=5ms bw=1</p><p class=MsoNormal>h2:g1 delay=0ms bw=2</p><p class=MsoNormal>h3:g1 delay=0ms bw=1</p><p class=MsoNormal>h4:g1 delay=0ms bw=3</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As per my understanding, between h2 and g1 there should be 2 faces created but I am finding only one face created for this, and the other connection I have to make explicitly. Please confirm if this is expected behavior, if I am doing anything wrong or my understanding is wrong. </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>For g1, faces are :</p><p class=MsoNormal>Faces:</p><p class=MsoNormal> faceid=1 remote=internal:// local=internal:// counters={in={0i 81d 0B} out={132i 0d 0B}} local persistent point-to-point</p><p class=MsoNormal> faceid=254 remote=contentstore:// local=contentstore:// counters={in={0i 0d 0B} out={0i 0d 0B}} local persistent point-to-point</p><p class=MsoNormal> faceid=255 remote=null:// local=null:// counters={in={0i 0d 0B} out={0i 0d 0B}} local persistent point-to-point</p><p class=MsoNormal> faceid=256 remote=fd://18 local=unix:///run/g1.sock counters={in={92i 27d 36942B} out={27i 43d 45212B}} local on-demand point-to-point</p><p class=MsoNormal> faceid=257 remote=fd://20 local=unix:///run/g1.sock counters={in={1022i 223d 208468B} out={912i 288d 231943B}} local on-demand point-to-point</p><p class=MsoNormal> faceid=258 remote=udp4://1.0.0.1:6363 local=udp4://0.0.0.0:6363 counters={in={766i 74d 106769B} out={784i 89d 115716B}} non-local persistent point-to-point</p><p class=MsoNormal> faceid=259 remote=udp4://1.0.0.5:6363 local=udp4://0.0.0.0:6363 counters={in={767i 65d 102476B} out={779i 89d 115339B}} non-local persistent point-to-point</p><p class=MsoNormal> faceid=260 remote=udp4://1.0.0.13:6363 local=udp4://0.0.0.0:6363 counters={in={767i 67d 103289B} out={779i 89d 115605B}} non-local persistent point-to-point</p><p class=MsoNormal> faceid=261 remote=udp4://1.0.0.17:6363 local=udp4://0.0.0.0:6363 counters={in={768i 68d 104006B} out={782i 89d 115879B}} non-local persistent point-to-point</p><p class=MsoNormal> <span style='background:yellow;mso-highlight:yellow'>faceid=265 remote=udp4://1.0.0.9:6363 local=udp4://0.0.0.0:6363 counters={in={0i 0d 0B} out={0i 0d 0B}} non-local persistent point-to-point</span></p><p class=MsoNormal> faceid=266 remote=fd://25 local=unix:///run/g1.sock counters={in={3i 0d 137B} out={0i 2d 903B}} local on-demand point-to-point</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Highlighted one I created explicitly using nfdc register. </p><p class=MsoNormal>Also, please explain the significance of the counters [counters={in={0i 0d 0B} out={0i 0d 0B}}]</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.5pt;font-family:Consolas;mso-fareast-language:DE'>Navdeep Uniyal<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p></div></body></html>