{
  "layout": { "name": "preset" },
  "elements": {
    "nodes": [
      { "data": { "id": "ran", "label": "RAN" }, "position": { "x": 100,  "y": 240 } },

      { "data": { "id": "proxmox", "label": "Proxmox Host" }, "position": { "x": 450, "y": 240 } },
      { "data": { "id": "core", "label": "All-in-One Core", "parent": "proxmox" }, "position": { "x": 450, "y": 240 } },

      { "data": { "id": "dn", "label": "Data Network" }, "position": { "x": 800, "y": 240 } },
      { "data": { "id": "mgmt", "label": "Management" }, "position": { "x": 450, "y": 0 } }
    ],
    "edges": [
      {
        "data": {
          "id": "e_ran_core",
          "source": "ran",
          "target": "core",
          "midLabel": "RAN Netw",
          "sourceLabel": "",
          "targetLabel": "S1/N2/N3"
        }
      },
      {
        "data": {
          "id": "e_core_dn",
          "source": "core",
          "target": "dn",
          "midLabel": "DNN Netw",
          "sourceLabel": "SGi/N6 IP",
          "targetLabel": ""
        }
      },
      {
        "data": {
          "id": "e_mgmt_core",
          "source": "mgmt",
          "target": "core",
          "midLabel": "Mgmt Netw",
          "sourceLabel": "",
          "targetLabel": "Mgmt IP"
        }
      }
    ]
  },
  "styles": [
    {
      "selector": "#proxmox",
      "style": {
        "width": 340,
        "height": 180,
        "text-valign": "bottom",
        "text-margin-y": 20, 
        "background-color": "#f8fafc",
        "border-color": "#94a3b8",
        "border-width": 2,
        "font-weight": "600"
      }
    },
    {
      "selector": "#core",
      "style": { "width": 140, "height": 70 }
    }
  ]
}