{
  "id": "bbg-p0312-networking-protocols-and-edge-networking",
  "title": "Load Balancer Gateway Proxy Flow",
  "chapter": "networking-protocols-and-edge",
  "batch": "02",
  "rank": 19,
  "sourcePage": 312,
  "sourcePointer": "p. 312",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "network-topology",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render inspected",
      "preserve edge path: client, edge load balancer, API gateway checks, reverse proxy, service load balancer, service instances, and response",
      "omit source branding, decorative icons, and copied long labels"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: load balancer",
      "concept: API gateway",
      "concept: reverse proxy",
      "concept: service load balancer",
      "concept: microservice instances"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
  },
  "groups": [
    {
      "id": "edge",
      "label": "Edge entry",
      "x": 54,
      "y": 116,
      "w": 210,
      "h": 334
    },
    {
      "id": "gateway",
      "label": "Gateway checks",
      "x": 318,
      "y": 116,
      "w": 324,
      "h": 334
    },
    {
      "id": "service",
      "label": "Service tier",
      "x": 696,
      "y": 116,
      "w": 210,
      "h": 334
    }
  ],
  "shapes": [
    {
      "id": "client",
      "kind": "actor",
      "label": "Client",
      "detail": "request",
      "x": 94,
      "y": 166,
      "w": 82,
      "h": 88,
      "tone": "blue"
    },
    {
      "id": "edgeLb",
      "kind": "gateway",
      "label": "Edge LB",
      "detail": "entry point",
      "x": 96,
      "y": 316,
      "w": 122,
      "h": 80,
      "tone": "orange"
    },
    {
      "id": "api",
      "kind": "gateway",
      "label": "API gateway",
      "detail": "policy",
      "x": 418,
      "y": 156,
      "w": 126,
      "h": 82,
      "tone": "purple"
    },
    {
      "id": "checks",
      "kind": "rect",
      "label": "Checks",
      "detail": "auth limit",
      "x": 414,
      "y": 300,
      "w": 134,
      "h": 58,
      "tone": "red"
    },
    {
      "id": "proxy",
      "kind": "gateway",
      "label": "Reverse proxy",
      "detail": "forward",
      "x": 414,
      "y": 404,
      "w": 134,
      "h": 80,
      "tone": "teal"
    },
    {
      "id": "serviceLb",
      "kind": "gateway",
      "label": "Service LB",
      "detail": "instances",
      "x": 738,
      "y": 196,
      "w": 126,
      "h": 80,
      "tone": "orange"
    },
    {
      "id": "instances",
      "kind": "rect",
      "label": "Service pool",
      "detail": "many replicas",
      "x": 738,
      "y": 350,
      "w": 126,
      "h": 58,
      "tone": "green"
    }
  ],
  "connectors": [
    {
      "from": "client",
      "to": "edgeLb",
      "label": "request",
      "flow": "main"
    },
    {
      "from": "edgeLb",
      "to": "api",
      "label": "distribute",
      "flow": "main"
    },
    {
      "from": "api",
      "to": "checks",
      "label": "validate",
      "flow": "control"
    },
    {
      "from": "checks",
      "to": "proxy",
      "label": "allow",
      "flow": "control"
    },
    {
      "from": "proxy",
      "to": "serviceLb",
      "label": "forward",
      "flow": "main"
    },
    {
      "from": "serviceLb",
      "to": "instances",
      "label": "balance",
      "flow": "data"
    }
  ]
}
