{
    "version": "2.0",
	"rank_count" : 2,
	"rank_list": [
		{
			"rank_id": 0,
			"device_id": 0,
			"local_id": 0,
			"level_list":  [
				{
					"net_layer": 0,
					"net_instance_id" : "az0-rack0",
					"net_type": "TOPO_FILE_DESC",
					"net_attr": "",
					"rank_addr_list": [
					{
					"addr_type": "IPV4",
					"addr": "223.0.0.28",
					"ports": [ "0/0" ]
					}
					]
				}
			]
		},
		{
			"rank_id": 1,
			"local_id": 1,
			"device_id": 1,
			"level_list":  [
				{
					"net_layer": 0,
					"net_instance_id" : "az0-rack0",
					"net_type": "TOPO_FILE_DESC",
					"net_attr": "",
					"rank_addr_list": [
					{
					"addr_type": "IPV4",
					"addr": "223.0.0.10",
					"ports": [ "0/1" ]
					}
					]
				}
			]
		}
	]
}