{
  "devices": {
    "of:0000000000000001": { "basic": { "name": "Spine-1" }},
    "of:0000000000000002": { "basic": { "name": "Spine-2" }},
    "of:0000000000000003": { "basic": { "name": "Leaf-1" }},
    "of:0000000000000004": { "basic": { "name": "Leaf-2" }},
    "of:0000000000000005": { "basic": { "name": "Leaf-3" }},
    "of:0000000000000006": { "basic": { "name": "Leaf-4" }}
  },

  "hosts": {
  }
}