<div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Hi Arno</div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">From NDN forwarder point of view, a sequence of one or more IP hops is a single NDN hop.</div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">To build this topology in ndnSIM, you should directly connect every NDN node to every adjacent NDN node, and delete all IP-only nodes.</div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Then, slightly decrease the bandwidth of links that would have run over IP, to reflect the overhead of IP and UDP headers.</div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Yours, Junxiao</div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jul 24, 2022 at 18:58 Arno Li via Ndn-interest <<a href="mailto:ndn-interest@lists.cs.ucla.edu">ndn-interest@lists.cs.ucla.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p style="text-align:center"><font color="red"><strong>External Email</strong><br></font></p><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Dear Developer team,</div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">My project is exploring the Tunnel Gateway for two ndn domain connect through an Ip backbone.</div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Now I had built a topology in ndn(2 node) -ip(4 nodes)-ndn(4 node).</div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">And for ndn nodes which 2 connect directly with the Ip node, they will be gateways.</div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Now, I find that I can install network stack(ns3) on the node at the same time I install the ndn stack. </div><div dir="auto" style="color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Do you think I can achieve a tunnel by the the double stack node? </div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px"><br></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">The basic way is encapsulate the whole ndn packet in a Ip packet then push the packet to the Ip backbone through the border ndn router<span style="font-size:1rem">.</span></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px"><span style="font-size:1rem"><br></span></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px"><span style="font-size:1rem">My tutor give me this thesis, but it seems hard to simulate.</span></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px"><span style="font-size:1rem"><br></span></div><div dir="auto" style="font-size:1rem;color:rgb(49,49,49);word-spacing:1px">Arno</div>
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