{
  "network_name": "EDFA Example Network - P2P",
  "elements": [
    {
      "uid": "Site_A",
      "type": "Transceiver",
      "metadata": {
        "location": {
          "city": "Site A",
          "region": "",
          "latitude": 0,
          "longitude": 0
        }
      }
    },
    {
      "uid": "Span1",
      "type": "Fiber",
      "type_variety": "SSMF",
      "params": {
        "length": 80,
        "loss_coef": 0.2,
        "length_units": "km",
        "att_in": 0,
        "con_in": 0.5,
        "con_out": 0.5,
        "pmd_coef": 3.0e-15
      },
      "metadata": {
        "location": {
          "region": "",
          "latitude": 1,
          "longitude": 0
        }
      }
    },
    {
      "uid": "Edfa1",
      "type": "Edfa",
      "type_variety": "std_low_gain",
      "operational": {
        "gain_target": 17,
        "tilt_target": 0,
        "out_voa": 0
      },
      "metadata": {
        "location": {
          "region": "",
          "latitude": 2,
          "longitude": 0
        }
      }
    },
    {
      "uid": "Site_B",
      "type": "Transceiver",
      "metadata": {
        "location": {
          "city": "Site B",
          "region": "",
          "latitude": 2,
          "longitude": 0
        }
      }
    }
  ],
  "connections": [
    {
      "from_node": "Site_A",
      "to_node": "Span1"
    },
    {
      "from_node": "Span1",
      "to_node": "Edfa1"
    },
    {
      "from_node": "Edfa1",
      "to_node": "Site_B"
    }
  ]
}