\"text\":\"SDN\",\"items\":[{\"text\":\"P4 Language\",\"link\":\"/sdn/p4\"},{\"text\":\"P4 Exercise\",\"link\":\"/sdn/p4_exercise\"},{\"text\":\"P4 INT\",\"link\":\"/sdn/int\"},{\"text\":\"P4 Utils\",\"link\":\"/sdn/p4_utils\"},{\"text\":\"Mininet\",\"link\":\"/sdn/mininet\"},{\"text\":\"iPerf\",\"link\":\"/sdn/iperf\"},{\"text\":\"Writing\",\"link\":\"/sdn/writing/\",\"items\":[{\"text\":\"Formula\",\"link\":\"/sdn/writing/formula\"},{\"text\":\"Algorithm\",\"link\":\"/sdn/writing/algorithm\"},{\"text\":\"