{
  "id": "bbg-p0134-architecture-source-map-architecture-source",
  "title": "System Design Concept Map",
  "chapter": "architecture-source-map",
  "batch": "01",
  "rank": 7,
  "sourcePage": 134,
  "sourcePointer": "p. 134",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "comparison",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "preserve coarse grouping, sequence, and hierarchy from the inspected candidate page",
      "short generic labels only"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: Queue",
      "concept: Database",
      "concept: Replication",
      "concept: Sharding",
      "concept: Reliability"
    ],
    "labelSource": "source-summary",
    "semanticStatus": "reviewed"
  },
  "groups": [
    {
      "id": "traffic",
      "label": "Traffic and scale",
      "x": 44,
      "y": 118,
      "w": 260,
      "h": 348
    },
    {
      "id": "data",
      "label": "Data and state",
      "x": 350,
      "y": 118,
      "w": 260,
      "h": 348
    },
    {
      "id": "reliability",
      "label": "Reliability and async",
      "x": 656,
      "y": 118,
      "w": 260,
      "h": 348
    }
  ],
  "shapes": [
    {
      "id": "lb",
      "kind": "rect",
      "label": "Load balancing",
      "detail": "spread traffic",
      "x": 76,
      "y": 166,
      "w": 150,
      "h": 58,
      "tone": "blue"
    },
    {
      "id": "hash",
      "kind": "rect",
      "label": "Consistent hash",
      "detail": "stable routing",
      "x": 76,
      "y": 272,
      "w": 150,
      "h": 58,
      "tone": "purple"
    },
    {
      "id": "cdn",
      "kind": "rect",
      "label": "CDN",
      "detail": "edge cache",
      "x": 76,
      "y": 378,
      "w": 150,
      "h": 58,
      "tone": "teal"
    },
    {
      "id": "cache",
      "kind": "cylinder",
      "label": "Caching",
      "detail": "hot reads",
      "x": 384,
      "y": 158,
      "w": 148,
      "h": 74,
      "tone": "teal"
    },
    {
      "id": "shard",
      "kind": "table",
      "label": "Sharding",
      "detail": "split data",
      "x": 384,
      "y": 260,
      "w": 148,
      "h": 82,
      "tone": "orange"
    },
    {
      "id": "replica",
      "kind": "cylinder",
      "label": "Replication",
      "detail": "copies",
      "x": 384,
      "y": 374,
      "w": 148,
      "h": 74,
      "tone": "green"
    },
    {
      "id": "cap",
      "kind": "diamond",
      "label": "CAP tradeoff",
      "detail": "choose two",
      "x": 690,
      "y": 150,
      "w": 152,
      "h": 90,
      "tone": "red"
    },
    {
      "id": "mq",
      "kind": "queue",
      "label": "Message queue",
      "detail": "decouple",
      "x": 700,
      "y": 278,
      "w": 132,
      "h": 58,
      "tone": "purple"
    },
    {
      "id": "resilience",
      "kind": "rect",
      "label": "Resilience",
      "detail": "fail over",
      "x": 696,
      "y": 384,
      "w": 142,
      "h": 58,
      "tone": "green"
    }
  ],
  "connectors": [
    {
      "from": "lb",
      "to": "cache",
      "label": "reduce load",
      "flow": "data"
    },
    {
      "from": "hash",
      "to": "shard",
      "label": "route key",
      "flow": "control"
    },
    {
      "from": "shard",
      "to": "replica",
      "label": "copy",
      "flow": "data"
    },
    {
      "from": "cap",
      "to": "resilience",
      "label": "tradeoff",
      "flow": "control"
    },
    {
      "from": "mq",
      "to": "resilience",
      "label": "buffer",
      "flow": "async"
    }
  ]
}