config.json

{
    "nodes" : [
         {"id" : 0, "pos" : {"lat" : 36.37, "lon" : 127.37, "alt" : 1.2}},
         {"id" : 1, "pos" : {"lat" : 36.37, "lon" : 127.87, "alt" : 1.2}},
         {"id" : 2, "pos" : {"lat" : 36.37, "lon" : 128.37, "alt" : 1.2}},
         {"id" : 3, "pos" : {"lat" : 36.37, "lon" : 128.37, "alt" : 1.2}}
     ],
    "links" : [
        {"nid1" : 0, "nid2" : 2, "los" : 0},
        {"nid1" : 1, "nid2" : 3, "los" : 0},
        {"nid1" : 0, "nid2" : 3, "los" : 0}
    ],
    "dummy_traffic" : [
        {"src_id" : 0, "dst_id" : 3, "payload_size" : 100, "interval_ms" : 2000}
    ],
    "dummy_traffic_opt" : [
        {"src_id" : 0, "dst_id" : 1, "payload_size" : 100, "interval_ms" : 500},
        {"src_id" : 1, "dst_id" : 0, "payload_size" : 200, "interval_ms" : 800},
        {"src_id" : 0, "dst_id" : 1, "payload_size" : 100, "interval_ms" : 2000},
        {"src_id" : 0, "dst_id" : 2, "payload_size" : 100, "interval_ms" : 2000},
        {"src_id" : 0, "dst_id" : 3, "payload_size" : 100, "interval_ms" : 2000}
    ],
    "nodes_opt" : [         
        {"id" : 0, "pos" : {"lat" : 36.37, "lon" : 127.37, "alt" : 1.2}},
        {"id" : 1, "pos" : {"lat" : 36.37, "lon" : 127.87, "alt" : 1.2}},
        {"id" : 2, "pos" : {"lat" : 36.37, "lon" : 128.37, "alt" : 1.2}}
    ]
}