int
main(int argc, char *argv[])
{
// setting default parameters for PointToPoint links and channels
Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("20"));
// Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
CommandLine cmd;
cmd.Parse(argc, argv);
// Creating nodes
NodeContainer nodes;
nodes.Create(3);
// Connecting nodes using two links
PointToPointHelper p2p;
p2p.Install(nodes.Get(0), nodes.Get(1));
p2p.Install(nodes.Get(1), nodes.Get(2));
// Install NDN stack on all nodes
StackHelper ndnHelper;
ndnHelper.InstallAll();
// Installing global routing interface on all nodes
ndn::GlobalRoutingHelper ndnGlobalRoutingHelper;
ndnGlobalRoutingHelper.InstallAll();
// Installing applications
// Consumer
ndn::AppHelper consumerHelper("PingClientApp");
consumerHelper.SetAttribute("Prefix", StringValue("/ping"));
consumerHelper.SetAttribute("nPings", StringValue("3"));
consumerHelper.Install(nodes.Get(0)).Start(Seconds(2));
// Producer
ndn::AppHelper producerHelper("PingServerApp");
producerHelper.SetAttribute("Prefix", StringValue("/ping"));
producerHelper.SetAttribute("nMaxPings", StringValue("3"));
producerHelper.Install(nodes.Get(2)).Start(Seconds(0.1));
ndnGlobalRoutingHelper.AddOrigins("/ping", nodes.Get(2));
// Calculate and install FIBs
ndn::GlobalRoutingHelper::CalculateRoutes();
Simulator::Stop(Seconds(20.0));
Simulator::Run();
Simulator::Destroy();
return 0;
}
int
main(int argc, char *argv[])
{
// setting default parameters for PointToPoint links and channels
Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("20"));
// Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
CommandLine cmd;
cmd.Parse(argc, argv);
// Creating nodes
NodeContainer nodes;
nodes.Create(3);
// Connecting nodes using two links
PointToPointHelper p2p;
p2p.Install(nodes.Get(0), nodes.Get(1));
p2p.Install(nodes.Get(1), nodes.Get(2));
// Install NDN stack on all nodes
StackHelper ndnHelper;
ndnHelper.SetDefaultRoutes(true);
ndnHelper.InstallAll();
// Installing applications
// Consumer
auto consumer = CreateObject<ApiApp<PingClient>>();
nodes.Get(0)->AddApplication(consumer);
// consumer->SetStopTime(Seconds(15.0));
auto producer = CreateObject<ApiApp<PingServer>>();
nodes.Get(2)->AddApplication(producer);
// producer->SetStartTime(Seconds(0.5));
Simulator::Stop(Seconds(20.0));
Simulator::Run();
Simulator::Destroy();
return 0;
}
int
main(int argc, char* argv[])
{
// Setting default parameters for PointToPoint links and channels
Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("10"));
// Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
CommandLine cmd;
cmd.Parse(argc, argv);
// Creating 3x3 topology
PointToPointHelper p2p;
PointToPointGridHelper grid(3, 3, p2p);
grid.BoundingBox(100, 100, 200, 200);
// Install NDN stack on all nodes
StackHelper ndnHelper;
ndnHelper.InstallAll();
// Installing global routing interface on all nodes
GlobalRoutingHelper ndnGlobalRoutingHelper;
ndnGlobalRoutingHelper.InstallAll();
// Getting containers for the consumer/producer
Ptr<Node> producer = grid.GetNode(2, 2);
NodeContainer consumerNodes;
consumerNodes.Add(grid.GetNode(0, 0));
// Install NDN applications
std::string prefix = "/prefix";
// Install different forwarding strategies
for (int row = 0; row < 3; row++) {
for (int column = 0; column < 3; column++) {
if (row < 2)
StrategyChoiceHelper::Install(grid.GetNode(row, column), "/prefix",
"/localhost/nfd/strategy/best-route");
else
StrategyChoiceHelper::Install(grid.GetNode(row, column), "/prefix",
"/localhost/nfd/strategy/multicast");
}
}
AppHelper consumerHelper("ns3::ndn::ConsumerCbr");
consumerHelper.SetPrefix(prefix);
consumerHelper.SetAttribute("Frequency", StringValue("100")); // 100 interests a second
consumerHelper.Install(consumerNodes);
AppHelper producerHelper("ns3::ndn::Producer");
producerHelper.SetPrefix(prefix);
producerHelper.SetAttribute("PayloadSize", StringValue("1024"));
producerHelper.Install(producer);
// Add /prefix origins to ndn::GlobalRouter
ndnGlobalRoutingHelper.AddOrigins(prefix, producer);
// Calculate and install FIBs
GlobalRoutingHelper::CalculateRoutes();
Simulator::Stop(Seconds(20.0));
Simulator::Run();
Simulator::Destroy();
return 0;
}
