<div dir="ltr">Dear Researchers,<div>I want to implement many cache scenarios on abilene topology, for example, 20% 40% 80% 100%.</div><div>So how can I choose 2 nodes with CS and 8 nodes without CS?</div><div>I tried :</div><div><br></div><div>  Ptr<Node> consumers[10] = {Names::Find<Node>("consumer0"), Names::Find<Node>("consumer1"),<br>                             Names::Find<Node>("consumer2"),  Names::Find<Node>("consumer3"),<br>                             Names::Find<Node>("consumer4"),  Names::Find<Node>("consumer5"),<br>                             Names::Find<Node>("consumer6"),  Names::Find<Node>("consumer7"),<br>                             Names::Find<Node>("consumer8"),  Names::Find<Node>("consumer9")};<br>  <br>  Ptr<Node> producer = Names::Find<Node>("producer");<br><br>  for (int i = 0; i < 2; i++) {<br>    ndn::AppHelper consumerHelper("ns3::ndn::ConsumerZipfMandelbrot");<br>    consumerHelper.SetAttribute("Frequency", StringValue("100")); <br>    consumerHelper.SetAttribute("NumberOfContents", StringValue("10")); <br>    consumerHelper.SetAttribute("q", StringValue("0.5"));<br>    consumerHelper.SetPrefix("/prefix/" + Names::FindName(consumers[i]));<br>     ndnHelper.setCsSize(1000);<br>    consumerHelper.Install(consumers[i]);<br>  }</div><div>Can you guide me, please </div><div>Regards</div></div>