Joint Congestion Control and Routing with Fine-grain Data from INT

Based on the INT information, combine traffic engineer and congestion control.

Requirement

The program can be executed in the same path as https://github.com/p4lang/tutorials/tree/master/exercises/source_routing.

Example

1.Choose the topology you want to use, the default is ring topology. If you want to use fat tree topology, edit Makefile and change the second line to TOPO = topology/spine/topology.json.

2.Run make to compile .p4 file.

3.After compiling p4 file, in another terminal, run cd topology and run python ./ring/controller.py (run python ./spine/controller.py if you're using fat tree topology);

4.In the Mininet CLI mininet>, run xterm h1 h4 to open terminals for h1, h4 respectively.

5.Optional step: run xterm h2 h3, run iperf -s -u in h3's terminal, run iperf -c 10.0.3.3 -u -t 100 -b 4m in h2's terminal to create congestion.

6.In h4's terminial, run python receive.py -t ring

7.In h1's terminial, python send.py -t ring -s h1 -d h4 -n 10000. to send 10000 packets from h1 to h4. Note: run python send.py -h to see the options for send.py.